For anyone who wants to dive into the differences to the previous version:
http://msdn.microsoft.com/en-us/library/dd408738.aspx
Any for those who just want to be up-to-date:
http://www.microsoft.com/downloads/details.aspx?FamilyId=765433F7-0983-4D7A-B628-0A98145BCB97&displaylang=en
-Jens