Looks like the news that Windows 7 will RTM (released to manufacturing) on July 13th, 2009 may indeed correct. The Windows 7 Build 7600.16385, which has the full or complete build string of 6.1.7600.16385.090713-1255 is said to be passed the through verification and validation of RTM gold code quality standard, and has been approved to be signed off as the final gold RTM build for Windows 7. Previously, Windows 7 RTM is thought to be build 7600.16384, which is not the case.
According to WZor.net, there is a vote on making Windows 7 Build 7600.16386 as international RTM release. However, the early preliminary results showed that there are 24 “against” (no) vote, where there should be no “against” (100% for) in order to the vote on Windows 7 RTM gold code to be considered successful. However, the “against” votes have been withdrawn by end of the July 17th, 2009, making the unanimous decision to make Windows 7 on build assembly 6.1.7600.16385.090713-1255 as final RTM gold code.
From the build tag, Windows 7 Build 7600.16385 is indeed been compiled on July 13th, 2009.
Do take note that Windows 7 RTM is build 7600.16385 is unofficial news, and there is no official confirmation from Microsoft yet. Anyway, both 32-bit and 64-bit (x86 and x64) Windows 7 RTM Build 7600.16385 has been leaked to Internet for free download.