I recently was thinking about testing out clickalyzer adtracking service for the first time today, but after alot of research and posts from other forums I have read on Clickalyzer, it really seems like a flawed program. It promises the world, but seems to come up short from what I read.

Anyways, is there any other adtracking program out yet that can somewhat compare to what clickalyzer tries to do? Anything that can track your users from first click to point of sale on affiliate websites?