I frequently dump 880 sessions into PTLE, all 8 channels at once. 2 analog, 2 s/pDif Optical, and 2 s/pDif RCA. Since PTLE can't use the s/pDif protocol on both connections at once, I just use a CD Burner as a optical to analog converter. When I'm doing things that are important, I too do two tracks at once, but make sure to put a Timing spike at the beginning of ALL tracks whether you synch the two up or not. IT WILL NOT SYNCH UP PERFECTLY. They seem to always synch up a few frames apart, but after synching they are rock steady so nudging the tracks a little fixes the problem completely.