What type of scanner are you trying to program? The info in the MA database for MSP is in good shape, but we may have a ready-made file available for download at Scan New England in the downloads section. Link is in my signature. Not trying to steer you away from RR, but it just might be an easy way to get you started.
If you are using PSREdit, WIn500, etc...and have a RR subscription (looks like you do) you can easily download the necessary bits right through the software. I mainly use PSREdit and found it to be pretty straight forward -- especially after an hour or two of tinkering.
You could also try out the files that Scott mentioned.
If you're programming directly on the scanner...well...yuck!