Classic auto air install:will 72 duster heater controls fit 73 dash ????????

WHITE PUNK HAS THE ORIGNAL 68 SYSTEM, I WOULD RATHER HAVE A FACTORY SYSTEM THAT AN ADDON SYSTEM. ANYBODY ELSE OUT THERE THAT HAS A PROBLEM WITH PUTTING A FACTORY SYSTEM IN INSTEAD OF AN ADDON SYSTEM? WOULDN'T IT LOOK BETTER TO BE LOOKING AT A FACTORY SYSTEM?
I for one have never liked the looks of the RV2 compumper sitting top center of the LA. Looks as bad as those bold caps.