Before people get too excited, you should remember what happened with Vista:
6000.16384 <-- NOT RTM
6000.16385 <-- NOT RTM
6000.16386 <-- RTM
Just because it's 7600, it doesn't mean that it's RTM. Microsoft may end up doing multiple iterations of 7600 as it did with Vista's 6000. Or it may just go with the first build in 7600.
7600 are the true candidates for RTM (all that crap from a certain unnamed Russian site about the RTM branch builds being candidates from RTM that then get renamed or "voted" on is total BS). In other words, as a true candidate, this has the final activation code, and no expiration and it might be RTM. If 16384 is signed off as RTM, then it will become RTM. If it's not signed off as RTM, then there might be a 16385, 16386, 16387, etc. until one of them is signed off as RTM.
(For people not familiar with powers of 2, it may not be obvious that 16384 is a power of 2 and is thus a nice round number--0x4000--in hex, and so 16384 is just the first of the 7600 candidates, and it may or may not be the final 7600 candidate.)