Developer, Former MVP, now at Microsoft - Best of 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
Internally and unofficially we refer to this as "HPC Server v3" and its Beta2 became available last week. Read the full story on this blog post from Ryan and this one from Don.
There has been a lot of excitement on the web for this release with coverage from last Wednesday here, here, here, here, here and here.
Don't forget that Visual Studio 2010 makes it easy to develop for HPC Server including the MPI Cluster Debugger integration that I explained here and here.