Presentation – videos

C#
Generics

http://msdn2.microsoft.com/en-us/library/ms379564(VS.80).aspx

.Net 3.0

http://weblogs.asp.net/scottgu/archive/2007/03/30/slides-from-my-asp-net-connections-talks-wpf-e-linq-and-asp-net-tips-tricks.aspx
http://blogs.msdn.com/adamhems/archive/2007/04/10/creating-compelling-browser-based-applications-wpf-e.aspx

WPF
http://mehranikoo.net/CS/default.aspx
BinaryTree

http://msdn2.microsoft.com/en-us/library/ms379572(VS.80).aspx
Enterprise library videos

http://www.codeplex.com/entlib/Wiki/View.aspx?title=Videos&referringTitle=Home
http://www.dotnetjunkies.com/WebLog/adlaim/archive/2007/04/11/222403.aspx

.Net 3.0 WCF Presentation and Virtual labs

Link to WCF presentation

http://wcf.netfx3.com/files/folders/teched_2006_chalk_talks/entry6680.aspx

Virtual Labs

http://labs.netfx3.com/

.Net 3.0 features

http://www.idesign.net/idesign/DesktopDefault.aspx?tabindex=0&tabid=13