An interesting review here. For my purposes, Garageband is probably enough, but someday if I keep at it, it might be nice to have something like this. Since Robert is considering a new machine, I thought it might be of interest. It is authored by Peter Kirn who is a media artist and educator based in New York. He runs the online music tech blog and community Create Digital Music.

http://www.macworld.com/2007/11/revi...udio/index.php

the createdigitalmusic site is here. (http://createdigitalmusic.com/)