It's fun to dump on Steve Ballmer in the geek community because Microsoft's such a big target. The truth is, he did pretty well - and that's no easy thing.
However, I have two criticisms...
John Savill's Hyper-V Master Class
Join John Savill for 12 hours of comprehensive Hyper-V training. This master-level online training course will explore all the key aspects of a Hyper-V based virtualization environment covering both current capabilities in Windows Server 2012 R2 and looking at the future with Windows Server vNext.