Myadvice would be to try both of us yourself and see for your traffic how much each of us make
I think the $75 right now is only until the end of December, much like our current $100 PPS or 100% Revshare promotion on through out December.
Looking at normal times, I think it breaks down like this:
IwantU.com
Revshare: up to 70% recurring
PPS: $30 or $35
Pay-per-Profile (up to $10/free which comes to $50 PPS if you calculate it any level of the scale)
Bonus: 25 cents per male profile and $2.00 per female
WildMatch
Revshare: up to 50% recurring
PPS: $25 or $30
Bonus: $2.50 per female
So as you can see, promotions aside, I think we normally payout much higher than they do
However I'll go back to my first sentence, try us both and just compare your revenue-per-click (ignore conversions, bottome-line the $$$ is what matters!)
