It is various choice Depending on your needs,
what do you want?
if you supply 2x gx680 camera, we will make perfect front/rear technical Camera.
I want still life studio camera, I already have 45 format view camera (Cambo SCX), but something smaller would be handy. But only if it's cheaper than ArcaSwiss M2 or similar. I have large format lenses and Phase One back.
Fuji GX680 can be the first version, or v II, III? Should they be in full working conditions, or only some parts are important to you?