Hey I've noticed a problem with the powerbooks balance of audio signals. I've noticed both on a 12in PB and 15in PB that the 2nd channel (right) under the Audio MIDI Setup control panel falls below the value of the first channel causing the right to become quieter. You can see the problem and easily fix it under the Audio MIDI Setup utility just by adjusting both channels. Its really weird. Doing further investigation I notice when controlling volume using the vol up/down keys on my PB that the first channel is adjusted first, while the second follows shortly thereafter. I guess its not a big deal, but it always makes me worry that its not in sync and i find myself always checking the Audio MIDI utility. Anyone else have this problem or know a permanent fix?