I think if we get enough webmasters to respond we would get a significant sample size in order to make some very basic assumptions with about a +-10% variance.
If we had the Prof and Dom add their numbers together I am sure we would get well over 10,000 redirects in 1 month. If we could get 100,000 redirects in 1 month with 500 real money depositing player, then we could say that a webmaster should get 1 real money player for every 200 potential customers that are sent to various casinos.
In my situation, I would take the 200 players ratio and calculate that I should be getting 5 real money players. If I am getting 1 customer, I would then look at my advertising campaigns in order to weed out the bad advertising.
I would probably check my stats over 3 months in order to get a sample size I am comfortable with.