diff --git a/Filtration/Filtration.csproj b/Filtration/Filtration.csproj
index ac68abf..2ef758a 100644
--- a/Filtration/Filtration.csproj
+++ b/Filtration/Filtration.csproj
@@ -85,25 +85,11 @@
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="WPFToolkit">
-      <HintPath>..\packages\WPFToolkit.3.5.50211.1\lib\WPFToolkit.dll</HintPath>
+      <HintPath>bin\Debug\WPFToolkit.dll</HintPath>
     </Reference>
-    <Reference Include="Xceed.Wpf.AvalonDock">
-      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.dll</HintPath>
-    </Reference>
-    <Reference Include="Xceed.Wpf.AvalonDock.Themes.Aero">
-      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.Aero.dll</HintPath>
-    </Reference>
-    <Reference Include="Xceed.Wpf.AvalonDock.Themes.Expression">
-      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.Expression.dll</HintPath>
-    </Reference>
-    <Reference Include="Xceed.Wpf.AvalonDock.Themes.Metro">
-      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.Metro.dll</HintPath>
-    </Reference>
-    <Reference Include="Xceed.Wpf.AvalonDock.Themes.VS2010">
-      <HintPath>..\packages\AvalonDock.2.0.2000\lib\net40\Xceed.Wpf.AvalonDock.Themes.VS2010.dll</HintPath>
-    </Reference>
-    <Reference Include="Xceed.Wpf.AvalonDock.Themes.VS2013">
-      <HintPath>.\Xceed.Wpf.AvalonDock.Themes.VS2013.dll</HintPath>
+    <Reference Include="Xceed.Wpf.AvalonDock, Version=2.0.0.0, Culture=neutral, PublicKeyToken=3e4669d2f30244f4, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>.\Xceed.Wpf.AvalonDock.dll</HintPath>
     </Reference>
     <Reference Include="Xceed.Wpf.Toolkit, Version=2.4.0.0, Culture=neutral, PublicKeyToken=3e4669d2f30244f4, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -189,7 +175,7 @@
     <Compile Include="Utilities\BlockGroupMapper.cs" />
     <Compile Include="Utilities\LineReader.cs" />
     <Compile Include="ViewModels\AvalonDockWorkspaceViewModel.cs" />
-    <Compile Include="ViewModels\BlockGroupBrowserViewModel.cs" />
+    <Compile Include="ViewModels\ToolPanes\BlockGroupBrowserViewModel.cs" />
     <Compile Include="ViewModels\FiltrationViewModelBase.cs" />
     <Compile Include="ViewModels\IDocument.cs" />
     <Compile Include="ViewModels\IItemFilterScriptViewModelFactory.cs" />
@@ -197,11 +183,12 @@
     <Compile Include="ViewModels\ItemFilterBlockGroupViewModel.cs" />
     <Compile Include="ViewModels\ItemFilterBlockViewModel.cs" />
     <Compile Include="ViewModels\ItemFilterScriptViewModel.cs" />
-    <Compile Include="ViewModels\PaneViewModel.cs" />
+    <Compile Include="ViewModels\ToolPanes\BlockOutputPreviewViewModel.cs" />
+    <Compile Include="ViewModels\ToolPanes\PaneViewModel.cs" />
     <Compile Include="ViewModels\ReplaceColorsViewModel.cs" />
-    <Compile Include="ViewModels\SectionBrowserViewModel.cs" />
+    <Compile Include="ViewModels\ToolPanes\SectionBrowserViewModel.cs" />
     <Compile Include="ViewModels\StartPageViewModel.cs" />
-    <Compile Include="ViewModels\ToolViewModel.cs" />
+    <Compile Include="ViewModels\ToolPanes\ToolViewModel.cs" />
     <Compile Include="Views\AttachedProperties\SelectingItemAttachedProperty.cs" />
     <Compile Include="Views\AvalonDock\AvalonDockWorkspaceView.xaml.cs">
       <DependentUpon>AvalonDockWorkspaceView.xaml</DependentUpon>
@@ -237,6 +224,9 @@
     <Compile Include="Views\ReplaceColorsWindow.xaml.cs">
       <DependentUpon>ReplaceColorsWindow.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\ToolPanes\BlockOutputPreviewView.xaml.cs">
+      <DependentUpon>BlockOutputPreviewView.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Views\ToolPanes\SectionBrowserView.xaml.cs">
       <DependentUpon>SectionBrowserView.xaml</DependentUpon>
     </Compile>
@@ -281,6 +271,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Views\ToolPanes\BlockOutputPreviewView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Views\ToolPanes\SectionBrowserView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -390,6 +384,7 @@
     <Resource Include="Resources\Icons\clear_filter_icon.png" />
     <Resource Include="Resources\Icons\filter_icon.png" />
     <Resource Include="Resources\Icons\show_advanced_icon.png" />
+    <Resource Include="Resources\Icons\block_output_preview_icon.png" />
     <Content Include="Resources\ItemBaseTypes.txt">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>
diff --git a/Filtration/Resources/Icons/block_output_preview_icon.png b/Filtration/Resources/Icons/block_output_preview_icon.png
new file mode 100644
index 0000000..eb86e5c
Binary files /dev/null and b/Filtration/Resources/Icons/block_output_preview_icon.png differ
diff --git a/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs b/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs
index 8b9b3d0..fec468f 100644
--- a/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs
+++ b/Filtration/ViewModels/AvalonDockWorkspaceViewModel.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using Filtration.ViewModels.ToolPanes;
 using GalaSoft.MvvmLight.Messaging;
 
 namespace Filtration.ViewModels
@@ -10,6 +11,9 @@ namespace Filtration.ViewModels
         event EventHandler ActiveDocumentChanged;
         IDocument ActiveDocument { get; set; }
         IItemFilterScriptViewModel ActiveScriptViewModel { get; }
+        ISectionBrowserViewModel SectionBrowserViewModel { get; }
+        IBlockGroupBrowserViewModel BlockGroupBrowserViewModel { get; }
+        IBlockOutputPreviewViewModel BlockOutputPreviewViewModel { get; }
         void AddDocument(IDocument document);
         void CloseDocument(IDocument document);
         void SwitchActiveDocument(IDocument document);
@@ -19,6 +23,7 @@ namespace Filtration.ViewModels
     {
         private readonly ISectionBrowserViewModel _sectionBrowserViewModel;
         private readonly IBlockGroupBrowserViewModel _blockGroupBrowserViewModel;
+        private readonly IBlockOutputPreviewViewModel _blockOutputPreviewViewModel;
 
         private IDocument _activeDocument;
         private IItemFilterScriptViewModel _activeScriptViewModel;
@@ -26,10 +31,12 @@ namespace Filtration.ViewModels
 
         public AvalonDockWorkspaceViewModel(ISectionBrowserViewModel sectionBrowserViewModel,
                                             IBlockGroupBrowserViewModel blockGroupBrowserViewModel,
-                                            IStartPageViewModel startPageViewModel)
+                                            IStartPageViewModel startPageViewModel,
+                                            IBlockOutputPreviewViewModel blockOutputPreviewViewModel)
         {
             _sectionBrowserViewModel = sectionBrowserViewModel;
             _blockGroupBrowserViewModel = blockGroupBrowserViewModel;
+            _blockOutputPreviewViewModel = blockOutputPreviewViewModel;
 
             _sectionBrowserViewModel.Initialise(this);
             _blockGroupBrowserViewModel.Initialise(this);
@@ -76,18 +83,33 @@ namespace Filtration.ViewModels
             get { return _activeScriptViewModel; }
         }
 
+        public IBlockGroupBrowserViewModel BlockGroupBrowserViewModel
+        {
+            get { return _blockGroupBrowserViewModel; }
+        }
+
+        public IBlockOutputPreviewViewModel BlockOutputPreviewViewModel
+        {
+            get { return _blockOutputPreviewViewModel; }
+        }
+
+        public ISectionBrowserViewModel SectionBrowserViewModel
+        {
+            get { return _sectionBrowserViewModel; }
+        }
+
         private List<IToolViewModel> _tools;
 
         public IEnumerable<IToolViewModel> Tools
         {
             get
             {
-                if (_tools == null)
+                return _tools ?? (_tools = new List<IToolViewModel>
                 {
-                    _tools = new List<IToolViewModel> { _sectionBrowserViewModel, _blockGroupBrowserViewModel };
-                }
-
-                return _tools;
+                    _sectionBrowserViewModel,
+                    _blockGroupBrowserViewModel,
+                    _blockOutputPreviewViewModel
+                });
             }
         }
 
@@ -95,7 +117,7 @@ namespace Filtration.ViewModels
         {
             if (document.IsScript)
             {
-                _activeScriptViewModel = (IItemFilterScriptViewModel)document;
+                _activeScriptViewModel = (IItemFilterScriptViewModel) document;
             }
 
             OpenDocuments.Add(document);
diff --git a/Filtration/ViewModels/ItemFilterScriptViewModel.cs b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
index 9b34a69..a626037 100644
--- a/Filtration/ViewModels/ItemFilterScriptViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
@@ -11,6 +11,7 @@ using Castle.Core.Internal;
 using Filtration.Models;
 using Filtration.Services;
 using Filtration.Translators;
+using Filtration.ViewModels.ToolPanes;
 using GalaSoft.MvvmLight.CommandWpf;
 using GalaSoft.MvvmLight.Messaging;
 using Clipboard = System.Windows.Clipboard;
diff --git a/Filtration/ViewModels/MainWindowViewModel.cs b/Filtration/ViewModels/MainWindowViewModel.cs
index a2a712b..ba51540 100644
--- a/Filtration/ViewModels/MainWindowViewModel.cs
+++ b/Filtration/ViewModels/MainWindowViewModel.cs
@@ -116,7 +116,7 @@ namespace Filtration.ViewModels
         {
             return _activeDocument != null && _activeDocument.IsScript;
         }
-        
+
         private void OnOpenAboutWindowCommand()
         {
             var aboutWindow = new AboutWindow();
diff --git a/Filtration/ViewModels/StartPageViewModel.cs b/Filtration/ViewModels/StartPageViewModel.cs
index 2c9d4b9..a668696 100644
--- a/Filtration/ViewModels/StartPageViewModel.cs
+++ b/Filtration/ViewModels/StartPageViewModel.cs
@@ -1,4 +1,5 @@
-using GalaSoft.MvvmLight.CommandWpf;
+using Filtration.ViewModels.ToolPanes;
+using GalaSoft.MvvmLight.CommandWpf;
 using GalaSoft.MvvmLight.Messaging;
 
 namespace Filtration.ViewModels
diff --git a/Filtration/ViewModels/ToolPanes/BlockGroupBrowserViewModel.cs b/Filtration/ViewModels/ToolPanes/BlockGroupBrowserViewModel.cs
new file mode 100644
index 0000000..d4c0630
--- /dev/null
+++ b/Filtration/ViewModels/ToolPanes/BlockGroupBrowserViewModel.cs
@@ -0,0 +1,108 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Windows.Media.Imaging;
+using Filtration.Utilities;
+using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Messaging;
+
+namespace Filtration.ViewModels.ToolPanes
+{
+    internal interface IBlockGroupBrowserViewModel : IToolViewModel
+    {
+        void ClearDown();
+        bool IsVisible { get; set; }
+    }
+
+    internal class BlockGroupBrowserViewModel : ToolViewModel, IBlockGroupBrowserViewModel
+    {
+        private readonly IBlockGroupMapper _blockGroupMapper;
+        private ObservableCollection<ItemFilterBlockGroupViewModel> _blockGroupViewModelViewModels;
+        private ItemFilterBlockGroupViewModel _selectedBlockGroupViewModel;
+
+        public BlockGroupBrowserViewModel(IBlockGroupMapper blockGroupMapper) : base("Block Group Browser")
+        {
+            _blockGroupMapper = blockGroupMapper;
+            FilterToSelectedBlockGroupCommand = new RelayCommand(OnFilterToSelectedBlockGroupCommand, () => SelectedBlockGroupViewModel != null);
+
+            ContentId = ToolContentId;
+            var icon = new BitmapImage();
+            icon.BeginInit();
+            icon.UriSource = new Uri("pack://application:,,,/Filtration;component/Resources/Icons/block_group_browser_icon.png");
+            icon.EndInit();
+            IconSource = icon;
+            Messenger.Default.Register<NotificationMessage<bool>>(this, message =>
+            {
+                switch (message.Notification)
+                {
+                    case "ShowAdvancedToggled":
+                    {
+                        OnShowAdvancedToggled(message.Content);
+                        break;
+                    }
+                }
+            });
+
+        }
+
+        public const string ToolContentId = "BlockGroupBrowserTool";
+        
+        protected override void OnActiveDocumentChanged(object sender, EventArgs e)
+        {
+            if (AvalonDockWorkspaceViewModel.ActiveScriptViewModel != null && AvalonDockWorkspaceViewModel.ActiveDocument.IsScript)
+            {
+                BlockGroupViewModels = RebuildBlockGroupViewModels(AvalonDockWorkspaceViewModel.ActiveScriptViewModel.ShowAdvanced);
+            }
+            else
+            {
+                ClearDown();
+            }
+        }
+
+        public ItemFilterBlockGroupViewModel SelectedBlockGroupViewModel
+        {
+            get { return _selectedBlockGroupViewModel; }
+            set
+            {
+                _selectedBlockGroupViewModel = value;
+                RaisePropertyChanged();
+                FilterToSelectedBlockGroupCommand.RaiseCanExecuteChanged();
+            }
+        }
+
+        public RelayCommand FilterToSelectedBlockGroupCommand { get; private set; }
+        
+        public ObservableCollection<ItemFilterBlockGroupViewModel> BlockGroupViewModels
+        {
+            get { return _blockGroupViewModelViewModels; }
+            private set
+            {
+                _blockGroupViewModelViewModels = value;
+                RaisePropertyChanged();
+            }
+        }
+
+        public void ClearDown()
+        {
+            BlockGroupViewModels = null;
+            SelectedBlockGroupViewModel = null;
+        }
+
+        private void OnShowAdvancedToggled(bool showAdvanced)
+        {
+            BlockGroupViewModels = RebuildBlockGroupViewModels(showAdvanced);
+        }
+
+        private ObservableCollection<ItemFilterBlockGroupViewModel> RebuildBlockGroupViewModels(bool showAdvanced)
+        {
+            return
+                _blockGroupMapper.MapBlockGroupsToViewModels(
+                    AvalonDockWorkspaceViewModel.ActiveScriptViewModel.Script.ItemFilterBlockGroups, showAdvanced);
+        }
+
+        private void OnFilterToSelectedBlockGroupCommand()
+        {
+            AvalonDockWorkspaceViewModel.ActiveScriptViewModel.BlockFilterPredicate =
+                b => b.Block.HasBlockGroupInParentHierarchy(SelectedBlockGroupViewModel.SourceBlockGroup, b.Block.BlockGroup);
+        }
+    }
+}
diff --git a/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs b/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs
new file mode 100644
index 0000000..049c883
--- /dev/null
+++ b/Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Windows.Media.Imaging;
+
+namespace Filtration.ViewModels.ToolPanes
+{
+    internal interface IBlockOutputPreviewViewModel : IToolViewModel
+    {
+        bool IsVisible { get; set; }
+    }
+
+    internal class BlockOutputPreviewViewModel : ToolViewModel, IBlockOutputPreviewViewModel
+    {
+        public BlockOutputPreviewViewModel() : base("Block Output Preview")
+        {
+            ContentId = ToolContentId;
+            var icon = new BitmapImage();
+            icon.BeginInit();
+            icon.UriSource = new Uri("pack://application:,,,/Filtration;component/Resources/Icons/block_output_preview_icon.png");
+            icon.EndInit();
+            IconSource = icon;
+
+           IsVisible = false;
+        }
+
+
+        public const string ToolContentId = "BlockOutputPreviewTool";
+    }
+}
diff --git a/Filtration/ViewModels/PaneViewModel.cs b/Filtration/ViewModels/ToolPanes/PaneViewModel.cs
similarity index 97%
rename from Filtration/ViewModels/PaneViewModel.cs
rename to Filtration/ViewModels/ToolPanes/PaneViewModel.cs
index 8fce535..e912725 100644
--- a/Filtration/ViewModels/PaneViewModel.cs
+++ b/Filtration/ViewModels/ToolPanes/PaneViewModel.cs
@@ -1,6 +1,6 @@
 using System.Windows.Media;
 
-namespace Filtration.ViewModels
+namespace Filtration.ViewModels.ToolPanes
 {
     class PaneViewModel : FiltrationViewModelBase
     {
diff --git a/Filtration/ViewModels/SectionBrowserViewModel.cs b/Filtration/ViewModels/ToolPanes/SectionBrowserViewModel.cs
similarity index 96%
rename from Filtration/ViewModels/SectionBrowserViewModel.cs
rename to Filtration/ViewModels/ToolPanes/SectionBrowserViewModel.cs
index 754e207..894dc5b 100644
--- a/Filtration/ViewModels/SectionBrowserViewModel.cs
+++ b/Filtration/ViewModels/ToolPanes/SectionBrowserViewModel.cs
@@ -2,11 +2,12 @@
 using System.Collections.Generic;
 using System.Windows.Media.Imaging;
 
-namespace Filtration.ViewModels
+namespace Filtration.ViewModels.ToolPanes
 {
     internal interface ISectionBrowserViewModel : IToolViewModel
     {
         void ClearDown();
+        bool IsVisible { get; set; }
     }
 
     internal class SectionBrowserViewModel : ToolViewModel, ISectionBrowserViewModel
diff --git a/Filtration/ViewModels/ToolViewModel.cs b/Filtration/ViewModels/ToolPanes/ToolViewModel.cs
similarity index 92%
rename from Filtration/ViewModels/ToolViewModel.cs
rename to Filtration/ViewModels/ToolPanes/ToolViewModel.cs
index b102e1d..d2fbdb9 100644
--- a/Filtration/ViewModels/ToolViewModel.cs
+++ b/Filtration/ViewModels/ToolPanes/ToolViewModel.cs
@@ -1,6 +1,6 @@
 using System;
 
-namespace Filtration.ViewModels
+namespace Filtration.ViewModels.ToolPanes
 {
     internal interface IToolViewModel
     {
@@ -26,7 +26,7 @@ namespace Filtration.ViewModels
                 if (_isVisible != value)
                 {
                     _isVisible = value;
-                    RaisePropertyChanged();
+                    RaisePropertyChanged("IsVisible");
                 }
             }
         }
diff --git a/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml b/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml
index 104214a..01bfded 100644
--- a/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml
+++ b/Filtration/Views/AvalonDock/AvalonDockWorkspaceView.xaml
@@ -7,13 +7,13 @@
              xmlns:viewsAvalonDock="clr-namespace:Filtration.Views.AvalonDock"
              xmlns:views="clr-namespace:Filtration.Views"
              xmlns:toolPanes="clr-namespace:Filtration.Views.ToolPanes"
-             xmlns:xcad="http://schemas.xceed.com/wpf/xaml/avalondock"
              xmlns:converters="clr-namespace:Filtration.Converters"
+             xmlns:xcad="http://schemas.xceed.com/wpf/xaml/avalondock"
              mc:Ignorable="d" 
              d:DataContext="{d:DesignInstance d:Type=viewModels:AvalonDockWorkspaceViewModel}"
              d:DesignHeight="300" d:DesignWidth="300">
     <UserControl.Resources>
-        <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
+        <xcad:BoolToVisibilityConverter x:Key="AvalonBoolToVisibilityConverter" />
         <converters:ActiveDocumentConverter x:Key="ActiveDocumentConverter" />
     </UserControl.Resources>
     <Grid>
@@ -40,6 +40,11 @@
                             <toolPanes:SectionBrowserView DataContext="{Binding}" />
                         </DataTemplate>
                     </viewsAvalonDock:PanesTemplateSelector.SectionBrowserTemplate>
+                    <viewsAvalonDock:PanesTemplateSelector.BlockOutputPreviewTemplate>
+                        <DataTemplate>
+                            <toolPanes:BlockOutputPreviewView DataContext="{Binding}" />
+                        </DataTemplate>
+                    </viewsAvalonDock:PanesTemplateSelector.BlockOutputPreviewTemplate>
                     <viewsAvalonDock:PanesTemplateSelector.StartPageTemplate>
                         <DataTemplate>
                             <views:StartPageView DataContext="{Binding}" />
@@ -54,7 +59,7 @@
                         <Style TargetType="{x:Type xcad:LayoutAnchorableItem}">
                             <Setter Property="Title" Value="{Binding Model.Title}"/>
                             <Setter Property="IconSource" Value="{Binding Model.IconSource}"/>
-                            <Setter Property="Visibility" Value="{Binding Model.IsVisible, Mode=TwoWay, Converter={StaticResource BooleanToVisibilityConverter}, ConverterParameter={x:Static Visibility.Hidden}}"/>
+                            <Setter Property="Visibility" Value="{Binding Model.IsVisible, Mode=TwoWay, Converter={StaticResource AvalonBoolToVisibilityConverter}, ConverterParameter={x:Static Visibility.Hidden}}"/>
                             <Setter Property="ContentId" Value="{Binding Model.ContentId}"/>
                             <Setter Property="IsSelected" Value="{Binding Model.IsSelected, Mode=TwoWay}"/>
                             <Setter Property="IsActive" Value="{Binding Model.IsActive, Mode=TwoWay}"/>
@@ -81,7 +86,8 @@
                     <xcad:LayoutAnchorablePane Name="SectionBrowserPane" DockWidth="150" />
                     <xcad:LayoutPanel Orientation="Vertical">
                         <xcad:LayoutDocumentPane />
-                        <xcad:LayoutAnchorablePane Name="BlockOutputPreviewPane" DockHeight="100" />
+                        <xcad:LayoutAnchorablePane Name="BlockOutputPreviewPane" DockHeight="100">
+                        </xcad:LayoutAnchorablePane>
                     </xcad:LayoutPanel>
                     <xcad:LayoutAnchorablePane Name="BlockGroupBrowserPane" DockWidth="200" />
                 </xcad:LayoutPanel>
diff --git a/Filtration/Views/AvalonDock/LayoutInitializer.cs b/Filtration/Views/AvalonDock/LayoutInitializer.cs
index 2a1b836..ea18534 100644
--- a/Filtration/Views/AvalonDock/LayoutInitializer.cs
+++ b/Filtration/Views/AvalonDock/LayoutInitializer.cs
@@ -1,5 +1,5 @@
 using System.Linq;
-using Filtration.ViewModels;
+using Filtration.ViewModels.ToolPanes;
 using Xceed.Wpf.AvalonDock.Layout;
 
 namespace Filtration.Views.AvalonDock
@@ -21,7 +21,7 @@ namespace Filtration.Views.AvalonDock
                 var toolsPane = layout.Descendents().OfType<LayoutAnchorablePane>().FirstOrDefault(d => d.Name == "SectionBrowserPane");
                 if (toolsPane != null)
                 {
-                    anchorableToShow.CanHide = false;
+                   // anchorableToShow.CanHide = false;
                     toolsPane.Children.Add(anchorableToShow);
                     return true;
                 }
@@ -32,7 +32,17 @@ namespace Filtration.Views.AvalonDock
                 var toolsPane = layout.Descendents().OfType<LayoutAnchorablePane>().FirstOrDefault(d => d.Name == "BlockGroupBrowserPane");
                 if (toolsPane != null)
                 {
-                    anchorableToShow.CanHide = false;
+                   // anchorableToShow.CanHide = false;
+                    toolsPane.Children.Add(anchorableToShow);
+                    return true;
+                }
+            }
+
+            if (anchorableToShow.Content is BlockOutputPreviewViewModel)
+            {
+                var toolsPane = layout.Descendents().OfType<LayoutAnchorablePane>().FirstOrDefault(d => d.Name == "BlockOutputPreviewPane");
+                if (toolsPane != null)
+                {
                     toolsPane.Children.Add(anchorableToShow);
                     return true;
                 }
diff --git a/Filtration/Views/AvalonDock/PanesStyleSelector.cs b/Filtration/Views/AvalonDock/PanesStyleSelector.cs
index d3e7df7..31f3dce 100644
--- a/Filtration/Views/AvalonDock/PanesStyleSelector.cs
+++ b/Filtration/Views/AvalonDock/PanesStyleSelector.cs
@@ -1,6 +1,7 @@
 using System.Windows;
 using System.Windows.Controls;
 using Filtration.ViewModels;
+using Filtration.ViewModels.ToolPanes;
 
 namespace Filtration.Views.AvalonDock
 {
diff --git a/Filtration/Views/AvalonDock/PanesTemplateSelector.cs b/Filtration/Views/AvalonDock/PanesTemplateSelector.cs
index 8baab8d..50571fb 100644
--- a/Filtration/Views/AvalonDock/PanesTemplateSelector.cs
+++ b/Filtration/Views/AvalonDock/PanesTemplateSelector.cs
@@ -1,6 +1,7 @@
 using System.Windows;
 using System.Windows.Controls;
 using Filtration.ViewModels;
+using Filtration.ViewModels.ToolPanes;
 using Xceed.Wpf.AvalonDock.Layout;
 
 namespace Filtration.Views.AvalonDock
@@ -10,6 +11,7 @@ namespace Filtration.Views.AvalonDock
         public DataTemplate ItemFilterScriptTemplate { get; set; }
         public DataTemplate BlockGroupBrowserTemplate { get; set; }
         public DataTemplate SectionBrowserTemplate { get; set; }
+        public DataTemplate BlockOutputPreviewTemplate { get; set; }
         public DataTemplate StartPageTemplate { get; set; }
 
         public override DataTemplate SelectTemplate(object item, DependencyObject container)
@@ -31,6 +33,11 @@ namespace Filtration.Views.AvalonDock
                 return BlockGroupBrowserTemplate;
             }
 
+            if (item is BlockOutputPreviewViewModel)
+            {
+                return BlockOutputPreviewTemplate;
+            }
+
             if (item is StartPageViewModel)
             {
                 return StartPageTemplate;
diff --git a/Filtration/Views/IconsDictionary.xaml b/Filtration/Views/IconsDictionary.xaml
index 5e80a81..9677152 100644
--- a/Filtration/Views/IconsDictionary.xaml
+++ b/Filtration/Views/IconsDictionary.xaml
@@ -20,4 +20,6 @@
     <Image Source="/Filtration;component/Resources/Icons/clear_filter_icon.png" x:Key="ClearFilterIcon" x:Shared="False" />
     <Image Source="/Filtration;component/Resources/Icons/filter_icon.png" x:Key="FilterIcon" x:Shared="False" />
     <Image Source="/Filtration;component/Resources/Icons/show_advanced_icon.png" x:Key="ShowAdvancedIcon" x:Shared="False" />
+    <Image Source="/Filtration;component/Resources/Icons/block_group_browser_icon.png" x:Key="BlockGroupBrowserIcon" x:Shared="False" />
+    <Image Source="/Filtration;component/Resources/Icons/block_output_preview_icon.png" x:Key="BlockOutputPreviewIcon" x:Shared="False" />
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Filtration/Views/MainWindow.xaml b/Filtration/Views/MainWindow.xaml
index 63ca94b..6abad05 100644
--- a/Filtration/Views/MainWindow.xaml
+++ b/Filtration/Views/MainWindow.xaml
@@ -26,6 +26,11 @@
                 <Separator />
                 <MenuItem Header="Copy _Script" Command="{Binding CopyScriptCommand}" Icon="{StaticResource CopyIcon}" />
             </MenuItem>
+            <MenuItem Header="_View">
+                <MenuItem Header="Section Browser" IsCheckable="True" IsChecked="{Binding AvalonDockWorkspaceViewModel.SectionBrowserViewModel.IsVisible}" Icon="{StaticResource AddSectionIcon}" />
+                <MenuItem Header="Block Output Preview" IsCheckable="True" IsChecked="{Binding AvalonDockWorkspaceViewModel.BlockOutputPreviewViewModel.IsVisible}" Icon="{StaticResource BlockOutputPreviewIcon}" />
+                <MenuItem Header="Block Group Browser" IsCheckable="True" IsChecked="{Binding AvalonDockWorkspaceViewModel.BlockGroupBrowserViewModel.IsVisible}" Icon="{StaticResource BlockGroupBrowserIcon}" />
+            </MenuItem>
             <MenuItem Header="_Tools">
                 <MenuItem Header="_Replace Colors" Command="{Binding ReplaceColorsCommand}" Icon="{StaticResource ReplaceColorsIcon}" />
             </MenuItem>
diff --git a/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml b/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml
index f009b3b..d2858c8 100644
--- a/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml
+++ b/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml
@@ -7,8 +7,9 @@
              xmlns:converters="clr-namespace:Filtration.Converters"
              xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
              xmlns:behaviors="clr-namespace:Filtration.Views.Behaviors"
+             xmlns:toolPanes="clr-namespace:Filtration.ViewModels.ToolPanes"
              mc:Ignorable="d" 
-             d:DataContext="{d:DesignInstance Type=viewModels:BlockGroupBrowserViewModel}"
+             d:DataContext="{d:DesignInstance Type=toolPanes:BlockGroupBrowserViewModel}"
              d:DesignHeight="300" d:DesignWidth="300">
     <UserControl.Resources>
         <converters:BlockGroupAdvancedColorConverter x:Key="BlockGroupAdvancedColorConverter" />
diff --git a/Filtration/Views/ToolPanes/BlockOutputPreviewView.xaml b/Filtration/Views/ToolPanes/BlockOutputPreviewView.xaml
new file mode 100644
index 0000000..1f0bc5c
--- /dev/null
+++ b/Filtration/Views/ToolPanes/BlockOutputPreviewView.xaml
@@ -0,0 +1,11 @@
+<UserControl x:Class="Filtration.Views.ToolPanes.BlockOutputPreviewView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             mc:Ignorable="d" 
+             d:DesignHeight="300" d:DesignWidth="300">
+    <Grid>
+            <TextBlock>This is the Block Text Preview Pane</TextBlock>
+    </Grid>
+</UserControl>
diff --git a/Filtration/Views/ToolPanes/BlockOutputPreviewView.xaml.cs b/Filtration/Views/ToolPanes/BlockOutputPreviewView.xaml.cs
new file mode 100644
index 0000000..e789a42
--- /dev/null
+++ b/Filtration/Views/ToolPanes/BlockOutputPreviewView.xaml.cs
@@ -0,0 +1,10 @@
+namespace Filtration.Views.ToolPanes
+{
+    public partial class BlockOutputPreviewView
+    {
+        public BlockOutputPreviewView()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/Filtration/Views/ToolPanes/SectionBrowserView.xaml b/Filtration/Views/ToolPanes/SectionBrowserView.xaml
index ad86ded..18482af 100644
--- a/Filtration/Views/ToolPanes/SectionBrowserView.xaml
+++ b/Filtration/Views/ToolPanes/SectionBrowserView.xaml
@@ -3,9 +3,9 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-             xmlns:viewModels="clr-namespace:Filtration.ViewModels"
              xmlns:converters="clr-namespace:Filtration.Converters"
-             d:DataContext="{d:DesignInstance Type=viewModels:SectionBrowserViewModel}"
+             xmlns:toolPanes="clr-namespace:Filtration.ViewModels.ToolPanes"
+             d:DataContext="{d:DesignInstance Type=toolPanes:SectionBrowserViewModel}"
              mc:Ignorable="d" 
              d:DesignHeight="300" d:DesignWidth="300">
     <UserControl.Resources>
diff --git a/Filtration/WindsorInstallers/ViewModelsInstaller.cs b/Filtration/WindsorInstallers/ViewModelsInstaller.cs
index 8db8395..966be9f 100644
--- a/Filtration/WindsorInstallers/ViewModelsInstaller.cs
+++ b/Filtration/WindsorInstallers/ViewModelsInstaller.cs
@@ -3,6 +3,7 @@ using Castle.MicroKernel.Registration;
 using Castle.MicroKernel.SubSystems.Configuration;
 using Castle.Windsor;
 using Filtration.ViewModels;
+using Filtration.ViewModels.ToolPanes;
 
 namespace Filtration.WindsorInstallers
 {
@@ -50,6 +51,11 @@ namespace Filtration.WindsorInstallers
                     .ImplementedBy<BlockGroupBrowserViewModel>()
                     .LifeStyle.Singleton);
 
+            container.Register(
+                Component.For<IBlockOutputPreviewViewModel>()
+                    .ImplementedBy<BlockOutputPreviewViewModel>()
+                    .LifeStyle.Singleton);
+
             container.AddFacility<TypedFactoryFacility>();
             container.Register(
                 Component.For<IItemFilterBlockViewModelFactory>().AsFactory());