I'm certainly interested in acting as a market maker. I've been playing around with your site, and the basic functionality seems to be there.
Great send me an email when you get a chance or chat me up in the irc channel.
Professionalism demands that if someone places an order to buy 100 coins at $0.07 each, the total will be $7.00, not 7.00000000000001
This was just a display bug and is fixed now. Let me know if you notice anything else.