check out these new Windows Server 2012 beta virtual labs online
You can test drive new and improved features and functionality, including server management and Windows PowerShell, networking, Hyper-V, and new storage solutions.
It's simple: no complex setup or installation is required to try out Windows Server 2012 beta running in a full-featured virtual lab. You get a downloadable manual and a 90-minute block of time for each module. Before you start, read the minimum system requirements. Select a virtual lab from the list below. Then, you will see an application launch the lab.
Windows Server 2012 beta Virtual Labs