I am watching Blu-Ray DVD on my iMac. Here's how: iMac 27", latest Snow Leopard update. Bootcamp 3.1 with Windows 7 64-bit Enterprise version (Home Premium is fine). In Windows I have Cyberlink PowerDVD 10 Mk II (turn off hardware acceleration and video post processing) and AnyDVD HD http://www.slysoft.com/en/anydvdhd.html . Updated the ATI Radeon Mobility driver to the latest http://support.amd.com/us/gpudownload/windows/Pages/radeonmob_win7-64.aspx Player is this one http://www.amexdigital.com/Press_Release-E_Portable Blu-ray Super Multi Drive.htm which takes 2 USB sockets. When I load a BD, AnyDVD runs a light program in the background which kids the PowerDVD that there is no HDCP on the disc, like a home movie. The latest ATI driver makes for an amazing viewing experience. Granted, this set-up has cost an extra $500 on top of a $1,700 iMac but with the Elgato Eye-TV Hybrid as well I have iTunes music, internet, Cable TV, DVD and Blu-ray DVD all from one awesome screen. Any questions please let me know. Blu-Ray on iMac - Spread the Word.