If you are looking for a USB device and are in the US you will have a hard time finding either one of these. They seem to be more easily available in Europe.lal7176 once bubbled...
USB devices:
Greenwich Instruments Ltd.: GIrBIL USB
Tekram Technology: IRMate-410U
I have found an adapter that works with the Smart Pro so I can only assume it works with the Smart Com as well, and it is fairly inexpensive ($33.)
http://store.yahoo.com/sagetac/bafbfusbtoir.html
NITF