Sometimes 'the best' is not the all hi tech diagnostics/surgery etc....etc....
Taking everything into account for each individual Rabbit what is do-able will vary widely. Doing 'the best' may mean more conservative treatment which will provide a pain free, stress free life.
IMO travelling is a major factor to take into account for Rabbits. Some really cannot cope with it at all. Morse has to go onto oxygen after a 6 minute car journey to Cs. There is no way on earth I would attempt to transport him further afield now. He would probably die in transit.
I hope that you can find a plan of action that you feel happy with, I am sure you will.