I'm sure some of those sites bellow would be a nice choice.
World Wide Wives in following niches:
Straight: Amateur / Homemade, MILF, Swingers, Editor's Choice, Dating & Community
Program:
WorldWide Wives (1 sites, NATS). Revenue: 50%, $25 PPS
Pay method: check, wire, Paxum
Promo:
Photo FHG (134), Video FHG (27)
Hustler Hookups in following niches:
Straight: Dating & Community
Program:
Hustler Cash (98 sites, NATS). Revenue: 60%, $35 PPS
Pay method: check, wire, Payoneer, Paxum
Sex Match Book in following niches:
Straight: Dating & Community
Program:
Crak Revenue (9 sites, in-house script).
Pay method: check, wire, Paxum
Anyway, you can check out more from this list of 200+
Dating Sites @ SignBucks.com