Actually, while this is still derailed, I'm looking into some recording type things myself and wanted to make sure I'm understanding things right. I'm looking at buying an audio interface myself and wanted to make sure that a firewire interface (say, something like this: http://www.musiciansfriend.com/pro-audio/mackie-onyx-1620i-firewire-mixer) allows you to record multiple tracks at once via firewire