For me its not about the best paying all the time.
You have to look at the quality of their program, quaility of the sites, and how competent the the account reps are.
If your in it for just money, you won't last. I like to build a business relationship that over time will be worth alot more.
I would suggest ....
http://www.python.com Brent is one of the best in the business and dollarmachine is a rock solild program
http://www.adultplatinum.com Loryn is sweet beyond words and has Lensman behind her... nuff said
http://www.orgasm.com Marina is always there to answer questions and some of the new sites are converting killer