All sites below have the popupfree payout mentioned, since this is what is most convenient for you (no consoles to porn sites):
Topbucks
has a centerfolds site and 2 nude males site + 1 silk stockings site, pays $30 popup free, plus 3 sex guides (dating, bringing orgasms and bigger penis) paying $25/signup,
http://cecash.com
has a celeb site, a male masturbation site, an online club, 2 female masturbation sites and 1 smoking site, pays up to $55 for EVERY signup + $5/monthly renewal,
Silvercash
has a celeb site, and an erotic stories site, pays $25/popupfree,
http://www.adultplatinum.com
has a lot of topless (beaches)/bikini on/bikini off, girls gone wild sites, $40/trial with exit window,
http://www.flashcash.com
has a celeb site, instant payouts, consoles,
http://www.nastydollars.com
has a wives in pantyhose site, $35/popupfree trial,
http://www.wegcash.com
has a centerfolds site, pays $25/free trial popupfree, and
Big Penis Pills
pays 35% of all sales, consolefree.
As you see, plenty of options for softcore traffic. Of course, for the console options the payout to some programs is higher.