As others have mentioned, the Teenage Engineering influence throughout is evident and welcome. I've long wished they would take a stab at an OP-1y TKL.
While I don't love the typeface(s?) you've chosen for the keys, I respect your commitment to what I'm sure you knew would be a polarizing choice.
Don't cut any corners in the manufacturing, please. I'll buy the shit out of this, even at a premium price.