The price differs depending on style, background and number of characters but generally for one character in a painterly real-ish style the price is:
Bust commission: $8

waist-up commission: $10
Full body commission: $15

The cost will be slightly less for multuple characters in this style:

Payment sent before hand through pay pal:
[link] puar2000@gmail.com
Feel free to send me a note if you have any questions. : ] Note or comment here to discuss~
[[Edit 5/15/12]] still open for commissions~