diff --git a/Filtration/App.xaml.cs b/Filtration/App.xaml.cs
index 2c37286..6c991f5 100644
--- a/Filtration/App.xaml.cs
+++ b/Filtration/App.xaml.cs
@@ -1,8 +1,15 @@
-using System.Linq;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Runtime.InteropServices.ComTypes;
 using System.Windows;
+using AutoMapper;
 using Castle.MicroKernel.ModelBuilder.Inspectors;
 using Castle.Windsor;
 using Castle.Windsor.Installer;
+using Filtration.Models;
+using Filtration.Utilities;
+using Filtration.ViewModels;
 using Filtration.Views;
 
 namespace Filtration
@@ -16,26 +23,73 @@ namespace Filtration
             _container = new WindsorContainer();
 
             var propInjector = _container.Kernel.ComponentModelBuilder
-                         .Contributors
-                         .OfType<PropertiesDependenciesModelInspector>()
-                         .Single();
+                .Contributors
+                .OfType<PropertiesDependenciesModelInspector>()
+                .Single();
 
             _container.Kernel.ComponentModelBuilder.RemoveContributor(propInjector);
 
             _container.Install(FromAssembly.This());
 
+
+            // TODO: Find out how to parameterise this to map differently depending if ShowAdvanced is true or false.
+            //Mapper.CreateMap<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>()
+            //    .ForMember(dest => dest.IsChecked,
+            //        opts => opts.MapFrom(from => from.IsChecked))
+            //    .ForMember(dest => dest.SourceBlockGroup,
+            //        opts => opts.MapFrom(from => from));
+
+            //Mapper.CreateMap<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>()
+            //    .ForMember(dest => dest.IsChecked,
+            //        opts => opts.MapFrom(from => from.IsChecked))
+            //    .ForMember(dest => dest.ChildGroups,
+            //        opts => opts.ResolveUsing<ChildGroupsResolver>())
+            //    .ForMember(dest => dest.SourceBlockGroup,
+            //        opts => opts.MapFrom(from => from));
+
+            //.ForMember(dest => dest.ChildGroups,
+            //    opts => opts.Condition(src => src.Advanced == false))
+
+            //opts => opts.ResolveUsing<ItemFilterBlockGroupChildGroupsResolver>())
+
+            //opts => opts.MapFrom(from => from.ChildGroups))
+
+            //Mapper.AssertConfigurationIsValid();
+
             var mainWindow = _container.Resolve<IMainWindow>();
             mainWindow.Show();
-
-            //String[] arguments = Environment.GetCommandLineArgs();
-
-            //if (arguments.GetLength(0) <= 1) return;
-            //if (!arguments[1].EndsWith(".filter")) return;
-
-            //var filePathFormMainArgs = arguments[1];
-            //mainWindow.OpenScriptFromCommandLineArgument(filePathFormMainArgs);
         }
 
+
+        //private class ChildGroupsResolver : ValueResolver<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>
+        //{
+        //    protected override ItemFilterBlockGroupViewModel ResolveCore(ItemFilterBlockGroup source)
+        //    {
+        //        return !source.Advanced ? Mapper.Map<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>(source) : null;
+        //    }
+        //}
+
+        //private class ChildGroupsResolver :
+        //    ValueResolver<List<ItemFilterBlockGroup>, ObservableCollection<ItemFilterBlockGroupViewModel>>
+        //{
+        //    protected override ObservableCollection<ItemFilterBlockGroupViewModel> ResolveCore(List<ItemFilterBlockGroup> source)
+        //    {
+        //        var result = new ObservableCollection<ItemFilterBlockGroupViewModel>();
+                
+        //        if (source != null && source.Count > 0)
+        //        {
+                    
+        //            var filteredSource = source.Where(g => g.Advanced == false);
+        //            foreach (var blockGroup in filteredSource)
+        //            {
+        //                result.Add(Mapper.Map<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>(blockGroup));
+        //            }
+        //        }
+
+        //        return result;
+        //    }
+        //}
+
         protected override void OnExit(ExitEventArgs e)
         {
             _container.Dispose();
diff --git a/Filtration/Filtration.csproj b/Filtration/Filtration.csproj
index ef1b316..972a3d0 100644
--- a/Filtration/Filtration.csproj
+++ b/Filtration/Filtration.csproj
@@ -41,6 +41,12 @@
     <ApplicationIcon>Resources\filtration.ico</ApplicationIcon>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="AutoMapper">
+      <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.dll</HintPath>
+    </Reference>
+    <Reference Include="AutoMapper.Net4">
+      <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.Net4.dll</HintPath>
+    </Reference>
     <Reference Include="Castle.Core">
       <HintPath>..\packages\Castle.Core.3.3.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
@@ -175,6 +181,8 @@
     <Compile Include="UserControls\ItemPreviewControl.xaml.cs">
       <DependentUpon>ItemPreviewControl.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Utilities\AutoMapperHelpers.cs" />
+    <Compile Include="Utilities\BlockGroupMapper.cs" />
     <Compile Include="Utilities\LineReader.cs" />
     <Compile Include="ViewModels\AvalonDockWorkspaceViewModel.cs" />
     <Compile Include="ViewModels\BlockGroupBrowserViewModel.cs" />
@@ -182,6 +190,7 @@
     <Compile Include="ViewModels\IDocument.cs" />
     <Compile Include="ViewModels\IItemFilterScriptViewModelFactory.cs" />
     <Compile Include="ViewModels\IItemFilterBlockViewModelFactory.cs" />
+    <Compile Include="ViewModels\ItemFilterBlockGroupViewModel.cs" />
     <Compile Include="ViewModels\ItemFilterBlockViewModel.cs" />
     <Compile Include="ViewModels\ItemFilterScriptViewModel.cs" />
     <Compile Include="ViewModels\PaneViewModel.cs" />
@@ -425,6 +434,7 @@
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Import Project="$(XamlSpyInstallPath)MSBuild\FirstFloor.XamlSpy.WPF.targets" Condition="'$(XamlSpyInstallPath)' != '' and '$(Configuration)' == 'DEBUG'" />
+  <Import Project="..\packages\AutoMapper.3.3.1\tools\AutoMapper.targets" Condition="Exists('..\packages\AutoMapper.3.3.1\tools\AutoMapper.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">
diff --git a/Filtration/Models/ItemFilterBlockGroup.cs b/Filtration/Models/ItemFilterBlockGroup.cs
index 5d6edf5..cbf906b 100644
--- a/Filtration/Models/ItemFilterBlockGroup.cs
+++ b/Filtration/Models/ItemFilterBlockGroup.cs
@@ -1,29 +1,44 @@
 using System;
-using System.Collections.ObjectModel;
-using System.ComponentModel;
-using System.Linq;
-using System.Runtime.CompilerServices;
-using Filtration.Annotations;
+using System.Collections.Generic;
 
 namespace Filtration.Models
 {
-    internal class ItemFilterBlockGroup : INotifyPropertyChanged
+    internal class ItemFilterBlockGroup
     {
-        private bool? _isChecked;
-        private bool _reentrancyCheck;
+        private bool _isChecked;
 
         public ItemFilterBlockGroup(string groupName, ItemFilterBlockGroup parent, bool advanced = false)
         {
             GroupName = groupName;
             ParentGroup = parent;
             Advanced = advanced;
-            ChildGroups = new ObservableCollection<ItemFilterBlockGroup>();
+            ChildGroups = new List<ItemFilterBlockGroup>();
         }
-        
+
         public event EventHandler BlockGroupStatusChanged;
+
         public string GroupName { get; private set; }
         public ItemFilterBlockGroup ParentGroup { get; private set; }
-        public ObservableCollection<ItemFilterBlockGroup> ChildGroups { get; private set; }
+        public List<ItemFilterBlockGroup> ChildGroups { get; private set; }
+        public bool Advanced { get; private set; }
+
+        public bool IsChecked
+        {
+            get { return _isChecked; }
+            set
+            {
+                if (value != _isChecked)
+                {
+                    _isChecked = value;
+                    // Raise an event to let blocks that have this block group assigned that
+                    // they might need to change their Action due to the block group status changing.
+                    if (BlockGroupStatusChanged != null)
+                    {
+                        BlockGroupStatusChanged.Invoke(null, null);
+                    }
+                }
+            }
+        }
 
         public override string ToString()
         {
@@ -43,109 +58,5 @@ namespace Filtration.Models
 
             return outputString;
         }
-
-        public bool Advanced { get; private set; }
-
-        public bool? IsChecked
-        {
-            get
-            {
-                return _isChecked;
-            }
-            set
-            {
-                if (_isChecked != value)
-                {
-                    if (_reentrancyCheck)
-                    {
-                        return;
-                    }
-                    _reentrancyCheck = true;
-                    _isChecked = value;
-                    UpdateCheckState();
-                    OnPropertyChanged();
-
-                    // Raise an event to let blocks that have this block group assigned that
-                    // they might need to change their Action due to the block group status changing.
-                    if (BlockGroupStatusChanged != null)
-                    {
-                        BlockGroupStatusChanged.Invoke(null, null);
-                    }
-                    _reentrancyCheck = false;
-                }
-            }
-        }
-
-        private void UpdateCheckState()
-        {
-            // update all children:
-            if (ChildGroups.Count != 0)
-            {
-                UpdateChildrenCheckState();
-            }
-
-            // update parent item
-            if (ParentGroup != null)
-            {
-                var parentIsChecked = ParentGroup.DetermineCheckState();
-                ParentGroup.IsChecked = parentIsChecked;
-            }
-        }
-
-        private void UpdateChildrenCheckState()
-        {
-            foreach (var childGroup in ChildGroups.Where(c => IsChecked != null && !c.Advanced))
-            {
-                childGroup.IsChecked = IsChecked;
-            }
-        }
-
-        private bool? DetermineCheckState()
-        {
-            var allChildrenChecked = ChildGroups.Count(x => x.IsChecked == true) == ChildGroups.Count;
-            if (allChildrenChecked)
-            {
-                return true;
-            }
-
-            var allChildrenUnchecked = ChildGroups.Count(x => x.IsChecked == false) == ChildGroups.Count;
-            if (allChildrenUnchecked)
-            {
-                return false;
-            }
-
-            return null;
-        }
-
-        public ItemFilterBlockGroup Search(Func<ItemFilterBlockGroup, bool> predicate)
-        {
-            // if node is a leaf
-            if (ChildGroups == null || ChildGroups.Count == 0)
-            {
-                return predicate(this) ? this : null;
-            }
-
-            var results = ChildGroups
-                .Select(i => i.Search(predicate))
-                .Where(i => i != null).ToList();
-
-            if (results.Any())
-            {
-                var result = (ItemFilterBlockGroup)MemberwiseClone();
-                result.ChildGroups = new ObservableCollection<ItemFilterBlockGroup>(results);
-                return result;
-            }
-            return null;
-        }
-
-
-        public event PropertyChangedEventHandler PropertyChanged;
-
-        [NotifyPropertyChangedInvocator]
-        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
-        {
-            var handler = PropertyChanged;
-            if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
-        }
     }
 }
diff --git a/Filtration/Translators/ItemFilterBlockTranslator.cs b/Filtration/Translators/ItemFilterBlockTranslator.cs
index d5e616c..36ee736 100644
--- a/Filtration/Translators/ItemFilterBlockTranslator.cs
+++ b/Filtration/Translators/ItemFilterBlockTranslator.cs
@@ -433,6 +433,7 @@ namespace Filtration.Translators
 
         private void AddStringListBlockItemToString(ref string targetString, StringListBlockItem blockItem)
         {
+            
             var enumerable = blockItem.Items as IList<string> ?? blockItem.Items.ToList();
             if (enumerable.Count > 0)
             {
diff --git a/Filtration/Utilities/AutoMapperHelpers.cs b/Filtration/Utilities/AutoMapperHelpers.cs
new file mode 100644
index 0000000..3593fe8
--- /dev/null
+++ b/Filtration/Utilities/AutoMapperHelpers.cs
@@ -0,0 +1,31 @@
+using System.Linq;
+using Filtration.ViewModels;
+
+namespace Filtration.Utilities
+{
+    internal class AutoMapperHelpers
+    {
+        public static void ItemFilterBlockGroupViewModelPostMap(ItemFilterBlockGroupViewModel viewModel)
+        {
+            foreach (var childViewModel in viewModel.ChildGroups)
+            {
+                ItemFilterBlockGroupViewModelPostMap(childViewModel);
+            }
+
+            if (viewModel.ChildGroups.Count > 0)
+            {
+                if (viewModel.ChildGroups.All(g => g.IsChecked == true))
+                {
+                    viewModel.IsChecked = true;
+                } else if (viewModel.ChildGroups.Any(g => g.IsChecked == true))
+                {
+                    viewModel.IsChecked = null;
+                }
+                else
+                {
+                    viewModel.IsChecked = false;
+                }
+            }
+        }
+    }
+}
diff --git a/Filtration/Utilities/BlockGroupMapper.cs b/Filtration/Utilities/BlockGroupMapper.cs
new file mode 100644
index 0000000..f19fdad
--- /dev/null
+++ b/Filtration/Utilities/BlockGroupMapper.cs
@@ -0,0 +1,47 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using AutoMapper;
+using Filtration.Models;
+using Filtration.ViewModels;
+
+namespace Filtration.Utilities
+{
+    internal interface IBlockGroupMapper
+    {
+        ObservableCollection<ItemFilterBlockGroupViewModel> MapBlockGroupsToViewModels(
+            ObservableCollection<ItemFilterBlockGroup> blockGroups, bool showAdvanced);
+    }
+
+    internal class BlockGroupMapper : IBlockGroupMapper
+    {
+        public ObservableCollection<ItemFilterBlockGroupViewModel> MapBlockGroupsToViewModels(
+            ObservableCollection<ItemFilterBlockGroup> blockGroups, bool showAdvanced)
+        {
+
+            Mapper.Reset();
+            if (showAdvanced)
+            {
+                Mapper.CreateMap<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>()
+                    .ForMember(dest => dest.IsChecked,
+                        opts => opts.MapFrom(from => from.IsChecked))
+                    .ForMember(dest => dest.SourceBlockGroup,
+                        opts => opts.MapFrom(from => from));
+            }
+            else
+            {
+                Mapper.CreateMap<ItemFilterBlockGroup, ItemFilterBlockGroupViewModel>()
+                    .ForMember(dest => dest.IsChecked,
+                        opts => opts.MapFrom(from => from.IsChecked))
+                    .ForMember(dest => dest.ChildGroups,
+                        opts => opts.MapFrom(from => from.ChildGroups.Where(c => c.Advanced == false)))
+                    .ForMember(dest => dest.SourceBlockGroup,
+                        opts => opts.MapFrom(from => from));
+            }
+
+            var mappedViewModels = Mapper.Map<ObservableCollection<ItemFilterBlockGroupViewModel>>(blockGroups);
+            AutoMapperHelpers.ItemFilterBlockGroupViewModelPostMap(mappedViewModels.First());
+            return mappedViewModels.First().ChildGroups;
+        }
+    }
+}
diff --git a/Filtration/ViewModels/ItemFilterBlockGroupViewModel.cs b/Filtration/ViewModels/ItemFilterBlockGroupViewModel.cs
new file mode 100644
index 0000000..314f98a
--- /dev/null
+++ b/Filtration/ViewModels/ItemFilterBlockGroupViewModel.cs
@@ -0,0 +1,98 @@
+using System.Collections.ObjectModel;
+using System.Linq;
+using Filtration.Models;
+
+namespace Filtration.ViewModels
+{
+    internal class ItemFilterBlockGroupViewModel : FiltrationViewModelBase
+    {
+        private bool? _isChecked;
+        private bool _reentrancyCheck;
+        private bool _postMapComplete;
+
+        public ItemFilterBlockGroupViewModel()
+        {
+            ChildGroups = new ObservableCollection<ItemFilterBlockGroupViewModel>();
+        }
+
+        public string GroupName { get; internal set; }
+        public ItemFilterBlockGroupViewModel ParentGroup { get; internal set; }
+        public ObservableCollection<ItemFilterBlockGroupViewModel> ChildGroups { get; internal set; }
+        public bool Advanced { get; internal set; }
+        public ItemFilterBlockGroup SourceBlockGroup { get; internal set; }
+
+        public bool? IsChecked
+        {
+            get
+            {
+                return _isChecked;
+            }
+            set
+            {
+                if (!_postMapComplete)
+                {
+                    _isChecked = value;
+                    _postMapComplete = true;
+                }
+                else
+                {
+                    if (_isChecked != value)
+                    {
+
+                        if (_reentrancyCheck)
+                        {
+                            return;
+                        }
+                        _reentrancyCheck = true;
+                        _isChecked = value;
+                        UpdateCheckState();
+                        RaisePropertyChanged();
+                        SourceBlockGroup.IsChecked = value ?? false;
+                        _reentrancyCheck = false;
+                    }
+                }
+            }
+        }
+
+        private void UpdateCheckState()
+        {
+            // update all children:
+            if (ChildGroups.Count != 0)
+            {
+                UpdateChildrenCheckState();
+            }
+
+            // update parent item
+            if (ParentGroup != null)
+            {
+                var parentIsChecked = ParentGroup.DetermineCheckState();
+                ParentGroup.IsChecked = parentIsChecked;
+            }
+        }
+
+        private void UpdateChildrenCheckState()
+        {
+            foreach (var childGroup in ChildGroups.Where(c => IsChecked != null))
+            {
+                childGroup.IsChecked = IsChecked;
+            }
+        }
+
+        private bool? DetermineCheckState()
+        {
+            var allChildrenChecked = ChildGroups.Count(x => x.IsChecked == true) == ChildGroups.Count;
+            if (allChildrenChecked)
+            {
+                return true;
+            }
+
+            var allChildrenUnchecked = ChildGroups.Count(x => x.IsChecked == false) == ChildGroups.Count;
+            if (allChildrenUnchecked)
+            {
+                return false;
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/Filtration/ViewModels/ItemFilterScriptViewModel.cs b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
index 3727cf0..6526bdc 100644
--- a/Filtration/ViewModels/ItemFilterScriptViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
@@ -8,7 +8,6 @@ using System.Windows;
 using System.Windows.Data;
 using System.Windows.Forms;
 using Castle.Core.Internal;
-using Filtration.Enums;
 using Filtration.Models;
 using Filtration.Services;
 using Filtration.Translators;
@@ -24,7 +23,7 @@ namespace Filtration.ViewModels
         ItemFilterScript Script { get; }
         IItemFilterBlockViewModel SelectedBlockViewModel { get; set; }
         IItemFilterBlockViewModel SectionBrowserSelectedBlockViewModel { get; set; }
-        IEnumerable<ItemFilterBlockGroup> BlockGroups { get; }
+        ObservableCollection<ItemFilterBlockGroup> BlockGroups { get; }
         IEnumerable<IItemFilterBlockViewModel> ItemFilterSectionViewModels { get; }
         Predicate<IItemFilterBlockViewModel> BlockFilterPredicate { get; set; }
         bool IsDirty { get; }
@@ -68,7 +67,7 @@ namespace Filtration.ViewModels
             _avalonDockWorkspaceViewModel.ActiveDocumentChanged += OnActiveDocumentChanged;
             _persistenceService = persistenceService;
             _itemFilterBlockViewModels = new ObservableCollection<IItemFilterBlockViewModel>();
-
+            
             ToggleShowAdvancedCommand = new RelayCommand<bool>(OnToggleShowAdvancedCommand);
             ClearFilterCommand = new RelayCommand(OnClearFilterCommand, () => BlockFilterPredicate != null);
             CloseCommand = new RelayCommand(OnCloseCommand);
@@ -111,7 +110,6 @@ namespace Filtration.ViewModels
                     _itemFilterBlockViewModelsCollectionView.Filter = null;
                 }
                 return _itemFilterBlockViewModels;
-                
             }
         }
 
@@ -131,8 +129,6 @@ namespace Filtration.ViewModels
             }
         }
 
-        public ObservableCollection<IItemFilterBlockViewModel> DisplayedItemFilterBlockViewModels { get; private set; }
-        
         public IEnumerable<IItemFilterBlockViewModel> ItemFilterSectionViewModels
         {
             get { return ItemFilterBlockViewModels.Where(b => b.Block.GetType() == typeof (ItemFilterSection)); }
@@ -187,7 +183,7 @@ namespace Filtration.ViewModels
 
         public ItemFilterScript Script { get; private set; }
 
-        public IEnumerable<ItemFilterBlockGroup> BlockGroups
+        public ObservableCollection<ItemFilterBlockGroup> BlockGroups
         {
             get { return Script.ItemFilterBlockGroups; }
         }
@@ -250,6 +246,12 @@ namespace Filtration.ViewModels
                 vm.Initialise(block, this);
                 ItemFilterBlockViewModels.Add(vm);
             }
+           
+            //BlockGroupViewModels =_blockGroupMapper.MapBlockGroupsToViewModels(Script.ItemFilterBlockGroups, false);
+            
+            // Necessary to perform the AfterMap here instead of in the AutoMapper config due to the mapping being
+            // performed on a collection, but the postmap needs to be performed from the root BlockGroup.
+            //AutoMapperHelpers.ItemFilterBlockGroupViewModelPostMap(BlockGroupViewModels.First());
 
             _filenameIsFake = newScript;
 
diff --git a/Filtration/Views/ItemFilterScriptView.xaml b/Filtration/Views/ItemFilterScriptView.xaml
index 5c08248..9894284 100644
--- a/Filtration/Views/ItemFilterScriptView.xaml
+++ b/Filtration/Views/ItemFilterScriptView.xaml
@@ -61,7 +61,7 @@
                     </ToolBar>
                     <ToolBar>
                         <Button ToolTip="Clear Filter" Command="{Binding ClearFilterCommand}" Content="{StaticResource ClearFilterIcon}" />
-                        <!--<ToggleButton ToolTip="Show Advanced Block Groups" Command="{Binding ToggleShowAdvancedCommand}" CommandParameter="{Binding Path=IsChecked, RelativeSource={RelativeSource Self}}"  Content="{StaticResource ShowAdvancedIcon}" />-->
+                        <ToggleButton ToolTip="Show Advanced Block Groups" Command="{Binding ToggleShowAdvancedCommand}" CommandParameter="{Binding Path=IsChecked, RelativeSource={RelativeSource Self}}"  Content="{StaticResource ShowAdvancedIcon}" />
                     </ToolBar>
                 </ToolBarTray>
                 <userControls:AutoScrollingListBox ItemsSource="{Binding ItemFilterBlockViewModels}"
diff --git a/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml b/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml
index 43304a6..f009b3b 100644
--- a/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml
+++ b/Filtration/Views/ToolPanes/BlockGroupBrowserView.xaml
@@ -3,7 +3,6 @@
              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:models="clr-namespace:Filtration.Models"
              xmlns:viewModels="clr-namespace:Filtration.ViewModels"
              xmlns:converters="clr-namespace:Filtration.Converters"
              xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"
@@ -13,7 +12,6 @@
              d:DesignHeight="300" d:DesignWidth="300">
     <UserControl.Resources>
         <converters:BlockGroupAdvancedColorConverter x:Key="BlockGroupAdvancedColorConverter" />
-        <converters:BlockGroupVisibilityConverter x:Key="BlockGroupVisibilityConverter" />
     </UserControl.Resources>
     <Grid>
         <Grid.RowDefinitions>
@@ -24,12 +22,12 @@
             <Button Height="20" Command="{Binding FilterToSelectedBlockGroupCommand}" Content="{StaticResource FilterIcon}" ToolTip="Filter to Selected Block Group" />
         </ToolBar>
         
-        <TreeView Grid.Row="1" ItemsSource="{Binding BlockGroups}" Name="TreeView">
+        <TreeView Grid.Row="1" ItemsSource="{Binding BlockGroupViewModels}" Name="TreeView">
             <i:Interaction.Behaviors>
-                <behaviors:BindableSelectedItemBehavior SelectedItem="{Binding SelectedBlockGroup, Mode=OneWayToSource}" />
+                <behaviors:BindableSelectedItemBehavior SelectedItem="{Binding SelectedBlockGroupViewModel, Mode=OneWayToSource}" />
             </i:Interaction.Behaviors>
             <TreeView.Resources>
-                <HierarchicalDataTemplate DataType="{x:Type models:ItemFilterBlockGroup}" ItemsSource="{Binding ChildGroups}">
+                <HierarchicalDataTemplate DataType="{x:Type viewModels:ItemFilterBlockGroupViewModel}" ItemsSource="{Binding ChildGroups}">
                     <WrapPanel>
                         <CheckBox IsThreeState="True" IsChecked="{Binding IsChecked}" Click="BlockGroupCheckBox_Clicked"   />
                         <TextBlock Text="{Binding GroupName}" Foreground="{Binding Advanced, Converter={StaticResource BlockGroupAdvancedColorConverter}}" />
diff --git a/Filtration/WindsorInstallers/ServicesInstaller.cs b/Filtration/WindsorInstallers/ServicesInstaller.cs
index 57a1825..e490b74 100644
--- a/Filtration/WindsorInstallers/ServicesInstaller.cs
+++ b/Filtration/WindsorInstallers/ServicesInstaller.cs
@@ -2,6 +2,7 @@
 using Castle.MicroKernel.SubSystems.Configuration;
 using Castle.Windsor;
 using Filtration.Services;
+using Filtration.Utilities;
 
 namespace Filtration.WindsorInstallers
 {
@@ -23,6 +24,11 @@ namespace Filtration.WindsorInstallers
                 Component.For<IStaticDataService>()
                     .ImplementedBy<StaticDataService>()
                     .LifeStyle.Singleton);
+
+            container.Register(
+                Component.For<IBlockGroupMapper>()
+                    .ImplementedBy<BlockGroupMapper>()
+                    .LifeStyle.Singleton);
         }
     }
 }
diff --git a/Filtration/packages.config b/Filtration/packages.config
index b81b2e5..9cc9782 100644
--- a/Filtration/packages.config
+++ b/Filtration/packages.config
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="AutoMapper" version="3.3.1" targetFramework="net451" />
   <package id="AvalonDock" version="2.0.2000" targetFramework="net451" />
   <package id="Castle.Core" version="3.3.0" targetFramework="net451" />
   <package id="Castle.Windsor" version="3.3.0" targetFramework="net451" />