I like Silvercash. I don't like their popup hells, but their sites are kickass and I feature them regularly on my TGP. They recently (couple days ago) dropped the per-click proggy, (too many cheaters) and went to straight signup, but at $40 a pop, even if it takes a little longer to convert one, it seems to be worth it for me at least.
I was just rootin' through some stuf from around a month ago and found this...
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SPAM. It's got the smell AND the texture!
www.porn-matrix.com