Julian Cope presents Head Heritage

http://www.ableton.com/

Give it a go (30 days for free), check the tutorial videos on there of people using it http://www.ableton.com/movies (bottom of page). You may hate it, but I reckon it's always good to change your tools just to see how it changes your work.

You'll find it easy to use, though you may find yourself switching to the time line view for 'warm fuzzys' when you first use it. The strangest feeling you'll get is how looking at the take screen (main screen, whatever its called) leaves you feeling that your music is 'unstuck' and never fixed.