Basically, between now and July 10, 2009, Microsoft will be preparing the build containing all of the SKU's which will be sent out to partners first, possibly Connect and MSDN/Technet subscribers next, and finally customers when it hits the store shelves! Then, on July 13, 2009, Windows 7 will officially be COMPLETED! WZor has posted an roadmap regarding the signing-off of Windows 7 RTM! build 6.1.7300.0.winmain.??????-????

Source:→ Stephen