1. $350 is a LOT of money for this
2. Where is the KiCAD file for the hardware? The FAQ claims they are available, but I can't find 'em.
3. It does look pretty slick.
From the FAQ:
"Can I build my own?
Yes of course. It’s possible to build your own node using our designs and BOM list which is published as open-source under the FOSS license. You can then send these designs to your own manufacturer and assemble it yourself."