Given the prices asked for SQ(A) winding cranks, focus screens and battery doors vs the camera bodies, you might just pick up a low-rated used body that has those items and call it an investment in the future. A couple of years back I was on the verge of doing that when the focus screen I wanted did actually show up. I admit it has been a while since I've perused the Bronica ads, having pretty much satiated my GAS in that area, mayhaps my info could be out of date.