Hands down....Asia Carrera.....then Lilly Tai, from several years back as well ( I just loved the first couple of shoots she did on Mr Chews AsianBeaver, if memory serves me correctly
Glad to see Nina is getting so many votes- best ass ever, I saw someone mention Diamond Foxx- all-time biggest regret- she was a visiting provider before porn, available for about 400- I passed on seeing her b/c she was new, no reviews etc- well once she went porn her rate more than doubled