Learn all the best Silverlight tricks by watching this great series of Silverlight videos. You can even download the code and try it out for yourself. http://www.misfitgeek.com/44%20silverlight%20videos.aspx
Want to see what C#4.0 has in store for us?. Then check out this video conversation with Anders Hejlsberg and his team about the future of C#. http://channel9.msdn.com/posts/Charles/C-40-Meet-the-Design-Team/
Learn LINQ with these cool videos http://www.asp.net/learn/linq-videos/