http://www.ihackintosh.com/2009/05/windows-7-build-7127-x86-and-x64-leaked-on-bit-torrent/
Unconfirmed links:
http://thepiratebay.org/torrent/4896717/Windows_7_x64_Build_7127
http://thepiratebay.org/torrent/4896590/Windows_7_Build_7127_X86
http://www.mininova.org/tor/2592414 (x64)
http://www.demonoid.cc/files/?query=7127