There is a torrent on Demonoid. Windows 7 Ultimate RC (x64) - DVD (English) Includes: Release Candidate; 04-30-2009 File Name: en_windows_7_ultimate_rc_x64_dvd_347803.iso Date Posted (UTC): 4/30/2009 6:00:41 AM SHA1: FC867FE1AB2E0A9796F9E4D155B44EA6998F4874 ISO/CRC: 58FB2BE0
This is not Windows 7 RC x64 MSDN/Technet I test the SHA1 and is the same es Windows 7 RC that we allredy have.