I've already written a fair amount about Windows 8 and my experiences with Microsoft's latest client OS, and have presented some reasons why you should and shouldn't deploy it. Of all the various editions of Windows 8, the one that admins should be most concerned about is Windows 8 Enterprise, the volume-licensed version of Windows 8 that most organizations with more than five PCs will likely deploy. If you want to deploy Windows 8 Enterprise, you'll also need to be a Microsoft Software Assurance (SA)

--> please see the rest on the site : http://www.petri.co.il/top-windows-8-enterprise-features.htm