Windows Server is the leading server operating system that powers many of the worlds’ largest datacenters, enables small businesses around the world, and delivers value to organizations of all sizes in between. Building on this legacy, Windows Server "8" delivers hundreds of new features and enhancements for transforming virtualization and cloud computing to help you reduce IT costs and deliver more business value. Within Windows Server "8" you will find exciting innovations in areas of virtualization, networking, storage, user experience, and a transition to Windows PowerShell® to take scripting to a whole new level.
Be sure to checkout the “What’s New in Windows Server 8” documentation at http://technet.microsoft.com/library/hh831769.aspx. Ready for the bits? Go get them @ http://technet.microsoft.com/en-us/evalcenter/hh670538.aspx.