blogblogblog
Just met with Ward Ralston, Product manager in the Windows division. They started a blog on Windows Server at: blogs.msdn.com/windowsserver.
If you are looking for information directly from the source (a.k.a. the product team) this blog should be a must. The blog is live since Monday and since we're close to launch our x64 support and Windows Server SP1, this blog will for the time being all about x64 and Windows on 64-bit.