CampBX also transfers funds in and out via ACH, as well as money orders and domestic wires. They're also a direct exchange, and if they started to run low on c

CampBX also transfers funds in and out via ACH, as well as money orders and domestic wires. They're also a direct exchange, and if they started to run low on coins (thus driving the price higher), someone would happily provide more coins via arbitrage from elsewhere.