I have heard of and been to both of these venues, and because I can tell they try harder and usually succeed in creating gourmet food and what many Americans believe is an traditional Asian atmosphere, my vote goes to P.F. Chang's!
Am I the only Abercrombie & Fitch-wearing guy here? Embarrassingly enough, I did consider modeling for them about five years ago, but I decided just buying their shirts was a better use of my time and money. =P