Wait Wanda, are you talking about how much money you get from the site or how nice to the surfers we are?
I base my own personal site values on how much money they can make. That is why my links site sucks ass
http://www.hardcore-free.com 
I won't tell which sites are the best $$$ hogs....=)
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Get some traffic -
Hardcore Free
Sex Starved
Lesi TGP