.....This would also include ads throughout the site that mimic Google ads or otherwise appear to be associated with Google on your site. Although you may sell ads directly on your site, it is your responsibility to ensure these ads do not mimic Google ads. If you have elected to receive Google search services, this would include other search services on the same site and non-Google query-targeted ads. We do allow affiliate or limited-text links.
From Google's program policies....make of it what you will. Not too sure myself. :)