Linkshare

Pros and Cons -   LinkShare is the most convenient, straightforward, and reliable affiliate program for affiliates. LinkShare hosts The LinkShare Network, where affiliates can use one username and password to quickly and easily find programs they want to join from among the 400 merchants who have affiliate programs through LinkShare. LinkShare is a trusted third party offering the most accurate tracking in the industry. Rates range from 3% to 20%, with most falling into the 5-10% range. One area unique to LinkShare is that it allows a mechanism for you to be able to negotiate with the various vendors. You can see a daily update of how much you are owed. Most merchants have minimum commission checks in the range of $10-50, and generally pay monthly.

Recommended?   YES, These guys have been around for a long time and have earned the respect of affiliates and vendors alike.