http://blogs.technet.com/grahamtwatson/archive/2009/05/29/microsoft-to-begin-first-technology-preview-for-project-madison.aspxMicrosoft is on track to release the first Technology Preview for Project “Madison” in H2 2009. A select group of customers will deploy a prototype MPP data warehouse on Madison. Download the first Project "Madison" data sheet from here , and view theen-USCommunityServer 2.1 SP1 (Build: 61025.2)