Your best bet is to look here:
viewtopic.php?f=16&t=23628Since we don't know your preferences, it's hard to make suggestions beyond naming girls who aren't ripoffs.
If you want GFE, then Agnieszka would be good. If you want S&M, Max is the current queen. If you think you can give a girl a good solid fuck and are looking for someone who can appreciate one, Haley (Singel) and Max would be my recommendations.
Go through the list of known good providers (link above), find some that sound interesting, then come back and ask some more specific questions if you wish.
the dogs