I don't, but can't recall anyone posting that their Shen Hao cameras were flimsy. The TFC-69A appears to be a well-made Ebony copy. Talk to Jeff about it, including what his return policy might be if you were to order one.
Originally Posted by brian steinberger
Being limited to enlarging from medium format in my darkroom too (for now), I've been concentrating more on contact prints, mostly from 5x7 and whole plate negatives. You might wish to consider that approach. While you'd once again have to load/unload holders, I view the smaller number of available exposures as a good thing that encourages better seeing rather than a limitation.