I recently picked up a couple of XPR6380s off eBay for experimentation purposes. I think I might do the 900 amateur code plug hack thing I have read about. I bought a programming cable and CPS2. When I read the radios, I get a model not supported message. They are version R1.07.00. I understand that this is a very old version. Do I need CPS 16? I am interested only in analog, and possibly DMR. I have experience with the older Motorola RSS, but this is my first rodeo with windows based stuff. I also picked up a couple of the IS versions of the display version. I planned on putting the guts from one of those 6380s into one of those sexy blue cases, but they are internally a completely different radio. Oh well. The batteries for the IS radios are different, and very expensive. There doesn't seem to be any aftermarket versions either.