Seems like the Duff hinges are pretty sweet from the discussions I've seen here. Never installed a set, but they seem like a winner.
As said, the factory hinges were sloppy to begin with. Considering that, it's shocking they've managed to last as long as most of them seem to.
I have a set of NOS hinges still sitting in a box somewhere because they were no better than the ones I thought were worn out on my '71.
You can "tighten" them up in place by adjusting them slightly skewed until the play is mostly gone. Basically you're putting them into a slight bind.
Seems funky, probably won't work on every Bronco, and might even encourage more wear. Likely it's just putting off the inevitable replacement until later. But it can work, and the original hinges have lasted this long without falling apart, so their design isn't exactly prone to failure. They just keep wearing and wearing out until you're frustrated with how the door works.
Re-pinning your own with a kit that has bronze bushings will make them super tight and probably still is the best bang-for-the-buck if you don't mind the time to do it yourself. Better than new originals for sure, and on par with the current crop of replacements.
Like anything, keep them lubed and they should give good service.
The new crop of stock replacements are WORLDS better than the originals:
http://www.wildhorses4x4.com/category/s?keyword=door+hinge
They're powder coated, tightly bushed, and should last the next lifetime of your Bronco with no trouble. Not inexpensive (for comparison I think I paid $7. each for the Ford ones!), but still less than the stainless ones.
Surprised nobody has added a grease fitting to their hinges yet. But I guess it's easy enough to give a spritz of wonder-lube every once in awhile and be just as effective.
The hinge bodies themselves never wear out or rust through, just the pins. Maybe the bushings too, but with luck a tiny bit of lube every few years should keep the bronze stuff working well hopefully.
I've never seen shims from the factory, but they probably still exist. If so, and they're not completely rusted through, you could easily re-use any you find on your truck. It all depends on your particular case.
But new are available too (as you can see in the above link), so if you need some it's not an issue.
Never needed them myself luckily, but with all the odd door gaps we see nowadays (40-50 years on) shims seem like a very handy item.
Good luck with the choice.
Paul