Еще один приятный http://www.skyhookwireless.com/localfaves/
<ListBox x:Name="targetList" ItemsSource="{Binding}">
<ListBox.ItemTemplate>
<HierarchicalDataTemplate>
<StackPanel Orientation="Horizontal">
<CheckBox>
<TextBlock Text="{Binding Path=Name}"/>
</CheckBox>
</StackPanel>
</HierarchicalDataTemplate>
</ListBox.ItemTemplate>
</ListBox>