If I were to buy a server with two Quad Cores and MS Server 2008 R2 with the purpose of running 8 instances of XP, how should I go about doing it. I've lost track of MS virtualization. Do you use Virtual Server 2005 now or Hyper-V... does Hyper-V come fully ready with MS Server 2008 R2 STD or is that another purchase/download? Can someone just give me a quick list of what to use and how you would get it going? Thanks!!