Since whatever you do you will have to remove the existing door, there's one more thing to consider: repair ir yourself.
gives a brief description of how you do it, and if you can get your current door off, you have won half the battle, I think. I don't know, since the only door I've ever taken off my AS is the screen door.
Flying also lists a bunch of threads about it here
I dunno what you had in mind, but you won't be alone, lots of folks have had the bad luck with the door. Good luck!
“Courage is being scared to death, but saddling up anyway.”