http://blogs.technet.com/mikep/archive/2008/06/20/change-your-hpc-environment-to-windows-and-run-10-faster-this-customer-did-on-a-9600-core-machine.aspx  Working on HPC at Microsoft we have not said that every day, however now it is time to restate the facts on software and what is really the fastest in the world! And don't believe me - check out the customer story below! Kudos to Ryan Waite anden-GBCommunityServer 2.1 SP1 (Build: 61025.2)