gunch:

PF is good, I would never consider raising A 10 off out of the BB with so many callers.

Turn I think you have to give someone credit for a better hand than yours. My plan: curse, call the raise, fold the river UI, unless you have a read that villain is a complete donk. Don't know if this line is even close to correct, though. I think you could fold the turn and not lose any sleep, but in a pot this big, I call