Microsoft Servers and Enterprise Development Virtual Labs
Did you know that Microsoft is offering through MSDN a series of free virtual labs? Quickly evaluate products through a series of guided, hands-on labs which can be completed in 90 minutes or less. The best part is, the MSDN Virtual Labs don’t require any installation and are available to you immediately for free. You just need to register with a Windows Live ID account.
You have a quite interesting wide range of possibilities: