The SQL dude from India :) ...
The best all-up run-down of all the features (WPF, ASP.NET, WinForms, VS etc.) can as ever be found on Scott Guthrie’s blog:
http://weblogs.asp.net/scottgu/archive/2008/05/12/visual-studio-2008-and-net-framework-3-5-service-pack-1-beta.aspx
Pretty comprehensive write-up of the WPF-specific features here:
http://blogs.msdn.com/tims/archive/2008/05/12/introducing-the-third-major-release-of-windows-presentation-foundation.aspx
And lastly, Brad Abrams’ post has a ton of screenshots of the various features:
http://blogs.msdn.com/brada/archive/2008/05/05/visual-studio-2008-and-net-framework-3-5-sp1-beta.aspx
My tree at Carbon Grove