1) Ableton Live CPU Meter % (if it bounces around, please list the peak) 71%
2) Laptop/Desktop? Make/Model? MacBookPro
3) Operating System? OS X 10.5.6
4) Ableton Live version? 6.0.7
5) CPU Make, Model, and Speed? Intel Core2Duo T5250 1.5 GHz
6) Amount of Ram? 4GB 667mHz DDR2 SO-DIMM
7) Soundcard (and driver version if you know it)? Novation X-Station

Hard Disk Drive Speed (if you know)? 5400RPM
9) Number of playback tracks? 8
I have to say these results aren't consistent for me for some reason. That is, at times I can play through all 16 bars without a hiccup and at others, I'd have drop outs galore.
1) Ableton Live CPU Meter % (if it bounces around, please list the peak) 53%
2) Laptop/Desktop? Make/Model? MacBookPro
3) Operating System? OS X 10.5.6
4) Ableton Live version? 6.0.7
5) CPU Make, Model, and Speed? Intel Core2Duo T8100 2.1 GHz
6) Amount of Ram? 4GB 667mHz DDR2 SO-DIMM
7) Soundcard (and driver version if you know it)? Novation X-Station

Hard Disk Drive Speed (if you know)? 5400RPM
9) Number of playback tracks? 8
with this cpu, the results have been consistent.