Party Poker converts the best because everyone knows the name, you don’t have to push them too hard on your site, just provide a link. But I have been royally screwed by them, and I am not the only one. I have good friends that both have had money deleted from their account, and one they refused to pay at all. They’re customer support for affiliates seems to be worse than most affiliate programs. It is true that Party Poker was great for me for well over a year, then they screwed me. Listen to who you want when choosing to promote them, but I need to be sure the negative is represented, and to be honest, I never understood how they have kept their status on CAP through all the bad things they have done.