I just posted the fourth MVVM video in the video series. This one is a deeper dive into collections, covering a bunch of stuff about adding and removing items, and managing child objects by wrapping them with "child viewmodel" objects.
This is the last of the CSLA 4 videos in the series. I'll be doing one more "bonus' video in the series - a walkthrough of parts of the sample app, but in Visual Studio 2008 and CSLA .NET 3.8.4.
The discount pricing ends July 31, after which the video series will be full price.
News flash: I just finished the last video in the series and the entire series (all six parts) is now available for purchase and download.
http://www.lhotka.net/weblog/CSLANETAndMVVMVideoSeries.aspx
Now I can focus my attention on some other key efforts:
Never a dull moment! 
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