I am also very happy that Payserve has taken over the old Orgymax/Tainster websites.
My conversion ratio for all the Payserve sites combined is about the same as Pornopat's: 1:781. Also for me, Slimewave is doing ridiculously well: 1:343. For me, Slimewave is one of the best converting sites I have ever promoted. It's an absolute winner!
http://www.cumguaranteed.com/payserve-stats.jpg