I just got the best Christmas present, a couple weeks early. I posted in a local linux users asking if anyone had any mechanical keyboards sitting around that they might want to sell. One response seemed worth checking out. After visiting his garage, I ended up buying half of what he had for about 30USD. The other half were mostly for serial terminal boards (rj-45 connectors), but would have been good for parts. However, I decided enough was enough. See the photos below...
Amongst all the 'boards was an IBM M, which I gave him an extra 10USD for. Was I surprised when I got it home to find out its a 1986 1390120...
The Zeniths are amazing, there's a full rainbow of switch colors on these things. They are even heavier than the M.
It'll take me some time to clean everything up and figure out what I want to keep, but I hope soon I can offer some of the extra boards or parts to others here.