multi-level marketing system

I need a good multi-level marketing system so I can plug into a Music Download Web Site.

The multi-level marketing system should be with good quality, easy to modify and easy to merge (plug in) with other systems.

Open source codes or cheap but good commercial software will be FINE.

Check out www.hotscripts.com. They have a few php multilevel marketing systems.

Did anyone try the Multi-level marketing system from hotscript?

What is your experience and what is your recommendation?

Thanks!

Did anyone try one of these multi-level marketing systems in hotscripts or anywhere else?

Commercial or free systems?

Please recommend to me the one you think that is the best. Also share with us the experience.

Thanks!

any one has experience in multi-level marketing system (easy to plug in), commrecial or freeware? please share you experience.