Ref: Windows Server “8” Beta: Hyper-V & Scale-up Virtual Machines Part 1…
A good reference on the coming Hyper-V V3: http://blogs.technet.com/b/windowsserver/archive/2012/04/05/windows-server-8-beta-hyper-v-amp-scale-up-virtual-machines-part-1.aspx It also talk about NUMA.