I've seen some posts about Model Rates. Here's my experience with it,
In LA, there seem to be standard rates for Hardcore
B/G- $700
B/G w/anal- $1000
Multiple Guys w/anal- $1200+
For a small internet producer like myself, that seems like a lot. But in LA, the big Video Companies can pay that along with big Cash Programs who produce all-original websites like BangBus.
I've found outside LA (I'm in Miami) I can get B/G for an average of $400 for a 2 hour shoot.
I have actually got girls to do B/G w/anal for $300, but I promise them contacts for shoots that they don't know about for more $$, which I deliver.
Here's a sample of that girl:
http://www.hotamateurmpegs.com/tina.html
The trick is to find a beginner, and then show her the ropes by shooting her cheap, then giving her other work with your contacts.
I know a lot of producers who don't like to share "their" girls, but it makes no diffrence to me. These girls are gonna work with others eventually.
Just my 2 cents!