Hi!
I don't know about Foxit, but the enTourage eDGe has PDF reflow. It is supposed to be one of the best readers for PDF, according to the community of eDGe users. I can't say from my own experience: I read mostly ePubs. But I've tried the PDF reflow, and it seems okay to me!
Good luck!
If you're interested in a more expert opinion on the eDGe, check the forum here on MobileRead and the one at
http://www.entourageedge.com/forums/forum.php