Jeff,
I think you have made a good choice and kept it simple and easy to do the upgrade. The only modification that I can remember is to buy the ribbon cable adaptor from Dometic that will allow you to use the original thermostat wiring and plug into the new 10 button thermostats. A call to Dometic with the original model Duo-therm air conditioners and they will advise what you need. Hope this helps, Fred