http://ballpython.com/page.php

http://www.newenglandreptile.com/available.html

http://www.pythons.com/hamper/

http://www.jasons-jungle.com/

I've only had personal experience with the last breeder - got my 3 sand boas, a rack and soon a rosy boa from him. I've seen his collection and his herp room. Great to do business with and keeps detailed records of each snake for you.

The other 3 are breeders I've heard lots of good things about.