The PCBs have arrived a while ago, but unfortunately I’m still waiting for the switches, which seem to be stuck in customs. I had enough spare switches at hand to do all the non-1U keys, at least, including drilling the switch case to add stabilizers:
The keyboard looks like this:
(I painted the black strips using a spray can and some masking tape.)
I have a good feeling about this, and I can’t wait for the switches to arrive.