Microsoft has just announced a CTP (Community Technology Preview) for Windows Server (codenamed Centro). Centro is also sometimes referred to as Windows Mid-Market Server, and is an integrated bundle of Microsoft products aimed at mid-size businesses and markets. Products integrated into the "Centro" system include Exchange Server 2007, System Center Essentials 2007, SQL Server 2005, ISA Firewall, and additional Forefront security software. more...   read more »