Does anyone know what the "unstaged" edition is? 7100.0.090421-1700_x64chk_client_unstaged_en-us-GRC1CXCHK_EN_DVD.iso CRC32: BF83C8E3 MD5: 35138185F16970D899894CEB3DE65609 SHA-1: F98279034E7E89DE926BEDAB848F8E46D97BE3AF Thanks.