I got one... it rocks. Got the Macbook pro. Needed the video card.

Its only as fast as the appz. Ableton 5 doest support multicore on the mac.. will do in version 6. Im running windows on the partition too.. VERY convenient.

Logic rocks on it... 4Xalbino 3 2x Rob Papens Blue 8 x compresors, a reverb and a filter.. loads of EQ and no more then 40-50%CPU.. breathing REAL easy.