I usually bind off in pattern.
I've read that you should either do your bind off a row after crossing the cable (so you'd purl the back and then do the bind off.) If that doesn't work out, you can work the center two stitches together of the cable on the row before the bind off.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry