MSDN Virtual Labs
Welcome to the MSDN Virtual Labs! The MSDN Virtual Labs allow you to either quickly evaluate or learn how to build great applications for Windows and the Web, through a series of guided, hands-on labs which can be completed in 90 minutes. The best part is, you can begin accessing the MSDN Virtual Labs immediately FREE with no installation required. Start by selecting the type of module you want from the list below.
How many more are there?
Oh yeah, the links.
MSDN Virtual Labs
TechNet Virtual Labs