For I have a Unicomp Model M “buckling spring” keyboard!
Which is indeed the successor to the original IBM Model M, two of which I use daily (one at home, one at the shop). They spun off the keyboard business to Lexmark, which subsequently spawned Unicomp. (Lexmark also makes ribbons for the
IBM 6400 printer, now living in Ricoh’s basement.)
My M at home is a 1391401, born in 1990; it was one of the last variants not to have a drainage channel. Think about that, but not for long.
So far, so good, though it doesn’t quite have the takkatakkatakka clickativeness of an old Chicony. The keys are about where my fingers expect them to be, though, and the keycaps are smallish and concave, the way Ghu and IBM intended them to be.
I can see Venkman using a Chicony — if he can’t get ribbons for an old Smith-Corona manual, anyway.
The sysadmin has suggested getting a couple of Unicomps as backup for those of us who insist, which means basically me. They cost as much as a dozen crappy commodity keyboards; then again, the M on my work box is seventeen years old, which means it’s long since outlasted a dozen crappy commodity keyboards. And the down-arrow is sticking a little on the upstroke, but that’s about it.