Honestly i heard that your parties are ran by a pimp who tries to take the girls money, the guys are paying 600 and the girls are expected to go home with only 150 tops... i wouldnt know first hand of course because i havent been, but i have heard that ladies who dont want to get strong armed to stay away from participating.
hmmmmm
i would suggest try posting this on CL i bet your party will be FULL to capacity