GoFuckYourself.com - Adult Webmaster Forum - Does anyone know what a good CPA is for international adult mobile wallpaper sites?

Hey guys,
Im looking advertise several of my international products with several different affiliate networks. I'm trying to get an idea of what the average CPA is for products like mine.
My offers a mostly mobile subscription services similar to this one, but hardcore:http://sexymobileservice-za.cell-1.net/

The subscriptions vary between 4 Euro to 8 Euro every week. Any clue what a decent average CPA would be for a product like this?

The countries I'm focusing on at the moment are Sweden, Finland, Italy, and Denmark...as well as a few other European countries to come shortly.