MSDN features Scott Mitchell from 4guysfromrolla.com, his article, "Converting ASP to ASP.NET" at:

http://msdn.microsoft.com/library/en-us/dndotnet/html/convertasptoaspnet.asp

Craig Utley's article "Common .NET Libraries for Developers" is a perfect article for any .NET programmer:

http://msdn.microsoft.com/library/en-us/dndotnet/html/commnetlibs.asp

Paul D. Sheriff's "Variable and Method Scope in Microsoft .NET" is also good for programming with a firm knowledge of fundamentals:

http://msdn.microsoft.com/library/en-us/dndotnet/html/methodscope.asp

The Code-Behind object model looks attractive as in-line code loses some of the Intellisense features that makes VS.NET cool. More details can be found in Microsoft Knowledge Base Article 303247 ("INFO: ASP.NET Code-Behind Model Overview") and Microsoft Knowledge Base Article 313105 ("BUG: Cannot Compile Code-Behind Files That Use Src Attribute on a UNC Share").

For the 30,000-foot view see Microsoft Knowledge Base Article 305141 ("INFO: ASP.NET Page Framework Overview").