Get Paid To Refer Script

Hi,

I have alrady searched the forum....can't find what I'm looking for so I am coming to my fellow BH'ers.

Can you all share with me what is the, I mean the best script to create a site where I can offer prizes to visitors for a certain # of referals

Paid or Free doesn't matter just give me your honest opinions.

Let her roll. Feel free to pm me if you like on this one.

Cheers