Here is so much people that use M-Audio Firewire products (I am one of them, of course) so i thought this would be of interest. I havent test the new FW410 drivers yet...
http://www.m-audio.com/index.php?do=support.drivers
New M-Audio Firewire Drivers
See this too........http://www.ableton.com/forum/viewtopic.php?t=15567
MacBook Pro M1, 16GB Ram, 1TB.