It seems like Windows Server 8 has a lot to offer. Hope it comes out sooner rather than later…
Server 8 will unleash a massive tsunami of new features specifically targeted at building and managing infrastructure for large multi-tenant Clouds, drastically increased scalability and reliability features in the areas of Virtualization, Networking, Clustering and Storage, as well as significant security improvements and enhancements.
http://www.zdnet.com/blog/perlow/windows-server-8-the-ultimate-cloud-os/18594