Hyper-V 3.0 in many ways is the crown jewel of our enterprise virtualization and private cloud strategy and is the heart of where many of the improvements in our flagship Server OS reside. So we should probably talk about what has improved since our previous Hyper-V releases, and what you can do with our hypervisor technology out of the box in Windows Server 2012 today.
See the start of this series and the full post at http://blogs.technet.com/b/server-cloud/archive/2013/05/22/cloud-broiler-hyper-v-a-platform-the-scales-out-for-building-the-largest-public-and-private-clouds.aspx.