Okay, good news, I've found some information on this particular issue.
Thanks to the guys who use Vista 64-bit, I found out who makes the Serial-to-USB bridge chip for the unit, and also where their drivers were... lo and behold, they have Linux drivers available!
The company that makes this tuning interface are found at
I'm going to give this a shot, and see if the software installed in Wine will interface with the native drivers.... I'm crossing my fingers!