Did a test run for an email opt in funnel that also led to an affiliate offer upon opt in, though sales are less important than opt in rate for me. As far as that goes, I had a 58% opt in rate from 108 total clicks. It took 3 days to deliver these clicks though. Other than that, good experience and pleased with results.
Udimi stats:
Delivered 110 out of 100 visitors
(+10%)