I also have the ASUS external BD player: http://www.amazon.com/Asus-Blu-Ray-External-Optical-SBC-06D1S-U/dp/B004ZCHULQ/ref=sr_1_2?ie=UTF8&qid=1315342675&sr=8-2 So far it's been working great with the iMac 21.5" and also with an old Windows XP machine that I have. It's a bit noisy though...