Right now I've got three. Audra Mitchell is my all time favorite, but Alaura Eden is super hot and really does if for me. At any time when I'm punching the clown I can look at spreads of either one of those and can go right that second.
Time to get the trusy stop watch out again, although this does mean i have to watch every porn star that ever appeared in a porno. It could take a while I will get back to you.