You mean you are looking for the webmasters with the big traffic who can easily refer you 50-100 sales a month or something like that?

If so, finding them is not that hard. Simply checkout the big sites and go to their webmaster areas and save their email adresses or ICQ numbers and think of a smart way to convince them to promote you without having the feeling of being spammed with another crappy sponsor program.

If you don't know where to search you can hit me up and I might give you some hints for a 10% referal