With the upcoming release of Hyper-V 3.0 we see a lot of movement from both VMware and Microsoft on marketing level so all features are promoted, recently this type of marketing became a bit more ugly as VMware launched a ‘Get the facts‘ and older blogs from Microsoft on ‘Windows Server 8: Hyper-V 3.0 Evens the Odds with vSphere‘. Dan Brinkmann posted a very useful overview (from a Microsoft perspective) about the hypervisor on his blog.
