MS's new version seems to include WAN vMotion... wow without OTV (Overlay Transport Virtualization) or at least that what I’m reading. It will be very impressive to have WAN vMotion for many reasons including DR/BC>... Great article here on CIO:
http://www.cio.com/article/690019/Microsoft_Cracks_Live_Migration_Problem?taxonomyId=3112
The MS version of HyperV3 will give us the right things we "need" not wants. VMware gives us something’s for free or at least until you move to Vsphere5 and get hit with the vTax. They did make some changes to licenses but not enough to stop people from looking at other products that get the job done! HyperV-3 vs vSphere 5 - http://www.tomsitpro.com/articles/hyper-v-virtualization-windows-server-8-vsphere,1-16.html
I truly think that over time we will see the virtual scene change to more of a tiered approach. VMware is the lead today but what the future brings is going to have to wait and see! I think based on cost and seeing some try to put virtualization directly in at the chip level, its going to get fun for us engineers and admins.
Ivan Pepelnjak has a great article on VXLAN-LISP-OTV ----http://blog.ioshints.info/2011/09/vxlan-otv-and-lisp.html
Great reading from Thomas Mauer - Hyper-V & UCS combo: http://www.thomasmaurer.ch/2011/05/how-microsoft-hyper-v-and-the-cisco-ucs-changed-our-lives/