From May 31th is available for public Windows Server 2012 RC. You can download the latest version from TechNet and test it. It is free and it offers a lot of opportunities to test new features and functions. This is really a big step in technology, so you must test it as soon as possible. Don’t wait for the last minute!
As always you can download an ISO image for setup or a VHD image. If you prefer prepared and guided labs, they are also available for testing and learn new functions. They are free accessible here..