To use your analogy- Windows 95 systems were 25 years ago. And that would be the earliest versions of DSLR- like a digital version even before a Nikon D1 body (and probably before any mirrorless 35mm...

Thanks for the comments and discussion points. One of the biggest reasons I can see for going up to the D5x00 series is (at least a few of the ones I looked at in D5100 and D5200) if I am reading it...

Searching Ebay closed and sold auctions are showing $40 (sold) to 200 (which looks like did not sell just an ended listing)

If I can get a Tamron Adaptall 2 for next camera body, then I'd have...

1970's SLR - Rolleiflex SL35ME so the stock 50mm lens is Planar QBM (Quick Bayonet Mount) mount...

Well is it really worth much, I see film bodies selling for $50 or less many times with a lens also.

So been out of the serious photography for a number of years. DSLR and of course not the mirrorless bodies are all over the place. Budget is such that I probably want to start out with some used...