I'm not a member of the team, but was contracted for the PCB design as an external freelancer - I have one of the PCB prototypes sitting in a shelf, and the designer has a fully functional prototype with aluminum case and keycaps already. Bit dusty, but here's my proto with a ridiculously oversized battery (that would probably run for a year or so without charging):
https://mpwr.xyz/blog/2022/pcb_1.jpgThis will most likely not be the final PCB revision as we still have ideas for improvements, but it should prove that the board is more than a design study already.