As a first timer:
Hisyo, around 70k jpy. You have about a 70% chance of the girl being what most people would consider quite attractive, and getting good service.
Darling harbour, around 50k, you have about a 50% chance of the girl being what most people would consider attractive, and getting good service
Putit royal, around 30k, you have about a 30% chance of the girl being not unattractive, and getting ok service.