Well, I have a huge complaint with the Futaba. I haven't been thrilled with the little thumb joystick they use for menu navigation since day one, as it's very easy to accidentally select something you didn't want. Individual R,L,U,D pads with a center enter key would have been much more accurate. And that very thing bit me today, big time. I was changing models from the SC truck to the Wraith, and accidentally selected copy rather than select (why they're right next to each other in the menu given the clunky joystick to navigate is beyond me) and it was too late, I had already pressed copy and it erased the setup for the Wraith completely. It will take me a while to fix, as the RX is buried in the Wraith meaning I have to take the truck partially apart, and all 4 channels are being used and have to be re-programmed. There is no warning that you are about to overwrite another model slot either, it simply copies over with no asking for confirmation at all.
TLDR: MAKE SURE you make a copy of every model to another slot on your 4PLS just in case you get bit by the horrible joystick UI.