Basically provides you with remote management tools for Windows 2008. http://connect.microsoft.com/windows/Downloads/DownloadDetails.aspx?DownloadID=9561 Also,check out the post on the Windows Server Division Blog.
With the advent of Windows 2008 (Beta),and basically everyone getting their hands on a copy and trying to learn how to use it, the Windows 2008 Technical Library can be a great resource. The library describes what's new and provides step by step guides...