Yanik Silver's Surefire Marketing affiliate program has performed well for us. We've mainly promoted Instant Sales Letters, but if you join as an affiliate there are also several other products to choose from.

To sign up as a Surefire Marketing affiliate, go to Yanik's Instant Salesletter page, scroll down to the end of the salesletter and follow the link where it says "For information about the Instant Sales Letter's affiliate program, click here."