i'm pretty puzzled. i have very different experiences than CBLCasey with paycom, and so do most people i know. paycom usually has a higher percentage of signups and rebills go through than ccbill. i read about this on boards all the time - and i mean daily. i also work for a program with cascading and overall, the program keeps epoch as primary for this very reason.
i believe any processor can turn up the scrub for a site with higher than normal chargebacks or fraud, but overall very close to every cascading program owner i know keeps paycom as primary because of the higher acceptance rate. i read it in threads, and hear it on icq.