The following table summarizes the differences between different Server OS's capable of Hyper-V.
http://www.microsoft.com/servers/hyper-v-server/how-to-get.mspx
The following table outlines which Hyper-V–enabled product would suit your needs:
If you need to acquire and host new server licenses, Windows Server 2008 Standard, Enterprise, and Datacenter provide the best value.
posted @ Saturday, October 04, 2008 3:50 PM