I assumed there were only bug fixes/(no new types) in .NET 2.0 SP1 until I came across few posts which were mentioning DateTimeOffset structure, that was added in .NET 2.0 SP1.
Is there a full listing of the newly added types in .NET 2.0 SP1?
Here's what you're looking for:
Full Article: http://www.hanselman.com/blog/CatchingRedBitsDifferencesInNET20AndNET20SP1.aspx
This may also be helpful:
Full Article: http://www.hanselman.com/blog/ChangesInTheNETBCLBetween20And35.aspx