If you have not figured it out I live the MSDN Virtual Labs, they are a quick easy way to lean about stuff with little impact to your system. A few new labs were recently released, use them in good health.
What’s new in C# 3.0? What’s new in Visual Basic 9? Building Web Applications with Visual Studio 2008
Disclaimer The opinions expressed herein are my own personal opinions and do not represent my employer's view in anyway.