JC,
I own DXs (three at last count), which I use 75mm lenses on regularly. I can get enough movement by kinking the bellows a bit to vignette. The lenses are all on recessed lensboards.
That said, I would hate to try anything shorter. Dealing with movements would be a real hassle, and the DX bellows jam up rather soon. I have to kink them to get the 90mm f/8 to the edge of its image circle as well. The kinking makes permanent folds in the bellows, which looks bad, but doesn't seem to do any damage. Still, it's a hassle and I don't think shorter than 75mm would be easy to deal with, if possible at all, even with a recessed board.
If I were you, and really wanted to do lots of work with very wide lenses and movements, I would look at one of the field cameras that offers bag bellows.
Just my 2 cents.
Best,
Doremus Scudder
www.DoremusScudder