Singularity Operating Systemhttp://blogs.technet.com/willg/archive/2008/03/05/singularity-operating-system.aspxThis is very cool, this my friends, is brand new built from the ground-up Operating System, it's a 21st Century Operating System based entirely on concepts from the .NET Framework and it's been published on CodePlex! It's only a research project, buten-GBCommunityServer 2.1 SP1 (Build: 61025.2)