Today marks an important milestone in the Windows 7 project. The Windows 7 team is proud to share with you that a short while ago we have started to release Windows 7 to PC OEM and manufacturing partners. This means our next major milestone will be the availability of PCs loaded with Windows 7 and store shelves stocked with Windows 7 on October 22, 2009.

See the original post here:
Our Next Engineering Milestone: RTM