Mary Jo has gotten wind of some info coming out of MGX, Microsoft annual sales get together, that offered a tentative roadmap to Windows 7 which has them targeting 2010. Microsoft is planning a three year development cycle and then will allow time to work out the bugs. In the mean time we can expect several updates to the Microsoft Desktop Optimization Pack, and Windows Vista Service Pack 1. Check out this and, shockingly an official confirmation in her post here.