wpfbootcamp

Awesome collection of training on Windows Presentation Foundation (free of course!).  Three whole days worth of recorded sessions, labs, demos, PowerPoints....

http://www.visitmix.com/university/wpf/wpfbootcamp.htm

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and a ton more training on Silverlight, ASP.NET AJAX, Gadgets, Expression, etc at the VisitMix University: http://visitmix.com/university/