Microsoft Released new Virtual Labs Check them out.
*NEW* 6 Windows Phone Virtual Labs (released 01/25)
Quickly evaluate or learn how to build great applications for Windows Phone through a series of guided, hands-on labs for 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. Start by selecting the lab you’re interested in from the list below.