We are pleased to announce that Release Candidate 1 (RC 1) of the Microsoft HPC Pack 2008 R2 & Windows HPC Server 2008 R2 solution is now available.  

We've improved the stability and performance in this release, as well as made enhancements to features based on feedback that you guys gave us on our Beta 2. Check out a selection of the improvements by reading the 'What's New' document on TechNet.

This is your last chances to give us feedback on this version, so come and join our beta program to give it a try, and you can give us feedback (positive or negative) on it: http://connect.microsoft.com/HPC/content/content.aspx?ContentID=6923