Please join the HPC Server 2008 Beta1 program at http://connect.microsoft.com.   Provide feedback using the Connect site's "Feedback Tool".  

Subscribe to the following blogs and forums for the latest information and user community observations:

http://WindowsHPC.net

http://Archives.WindowsHPC.net

http://blogs.technet.com/gmarchetti

http://blogs.msdn.com/philpenn

http://Channel9.msdn.com, search for "HPC"

http://Edge.TechNet.com, search for "HPC"