Okay.... I ordered up the Edirol USB/MIDI Interface with a 15' MIDI cable. The interface was about 35-40 bucks and the cable was about 5-6 bucks.
Here's a Froogle search on the Interface. The first one list it for $34 but not sure if it's in stock or not. This is cheapest route I could find... but I didn't look around for too long.