I'd like to see hinges operate similarly to the adjustable engines.  I would like to be able to set a rotation speed for both CW and CCW rotation, separately, because scanners and thruster rotation and the like can benefit from slower rotation in one direction than the other, and impulse givers can result in some hinged parts shaking themselves to death. EDIT: It would also be nice to have angle limits, a range within the hinge will operate, so that doors or grabbers can't over-deploy and d