As already had expected, the Windows 7 Release Candidate build (build 7100) has been leaked ahead of an official release by Microsoft.
I received confirmation early on Wednesday that build 7100 had been finalized and noticed early this morning that both the 32-bit and 64-bit flavors had been leaked to various P2P networks. Fake downloads had appeared yesterday but these were quickly removed. The latest downloads appear to be genuine
Read more on: http://news.cnet.com/8301-13860_3-10226823-56.html...
The Release to manufacturing Windows 7 can be found on various torrent sites. Still be aware that this can be illegal in various country's.
There will only be small patches and very little changes to this version before the big release on 23th of October.