Every other modern combine except Claas stores header configs, calibrations, and settings. (i'm not sure about the Versatile).
Yes , we have considered cal storage. In fact we have a system of header recognition and cal storage on a specific conversion kit. WE have discussed doing the same on the Bish Lexion to JD conversion package. However, it doesn't really help, because while we can store the header sensors, the combine needs to do its cal anyway to get lift pressure, feeder stroke, etc. Without the ability to store those as well, having multiple head CAL storage on our controller would be nice, but not a solution.
Its on the list of things that we would like to do....in fact we have discussed building a whole "Header App" set that would use header select, etc. It would keep you from having to reprogram our controller when switching modes (on ground to off ground), but take lots of programming to do. And you would STILL have to recal the combine every time.