Little is known about most features on pre-beta Windows 7 version to be shown at PDC
A Microsoft spokesperson confirmed for WindowsVienna.com and Geekpedia.com that the development of Windows 7 will take approximately 3 years from the general availability of Windows Vista, which would put the release date somewhere in 2011: We are currently in the planning stages for Windows 7 and development is scoped to three years from Windows Vista Consumer GA.
The fix for Windows Home Server's broken file system finally is released to market