Some Interesting Websites.

LINQ Tools
http://www.thinqlinq.com/Post.aspx/Title/LINQ-Tools

.NET 3.5, ASP.NET interview questions.
http://dotnet2008interviewquestions.blogspot.com/

WCF 4.0 Introduction from MSDN
http://msdn.microsoft.com/en-us/library/ee354381.aspx

Sharepoint Beginner videos.
http://dotnetguts.blogspot.com/2009/03/sharepoint-videos-for-beginner-step-by.html

OOPS Concepts
http://dng-oops.blogspot.com/

Cool Tools for .NET
http://www.hanselman.com/blog/ScottHanselmans2009UltimateDeveloperAndPowerUsersToolListForWindows.aspx