The company made the announcement at the Supercomputing 2009 show in Portland, Oreg., where officials said they planned to provide all of the 4,500 or so of the attendees with the bits today. Microsoft also will be providing select testers with access to the downloadable beta via the Connect site today. Microsoft is expecting to release at least one more beta of HPC Server 2008 R2 before rolling out the final version some time in 2010.