Thanks Karl. Yes, I just meant any system where unique links/banners are generated and some sort of commission structure exists.
I wasn't going into any specifics. At the end of the day it could be a hybrid of both, with no remote hosted, ...
I am confident there are a number of users / members / etc. here who would be more than happy to promote your product, be it with/without commission, etc. You could even have a system where people aren't interested in $, but after X number of referrals, you get top-tier product licence for X years.
You're right though... So many options!