Regarding Truly Ergonomic, it's almost infuriating how poorly they are running their operation. They started with a great idea and a decent-sized following (in the beginning). All things considered their first-gen product was not bad at all. If they had owned up to the ghosting issues and focused on ironing out the kinks in the 200 series (or even 300), they'd be in great shape. But instead they alienated their target demographic. And instead:

https://www.trulyergonomic.com/

They went back to typewriter layout, and now claim that infrared keyswitches are the secret to ergonomics. Complete With Marketing Copy Capitalizing Every Word. It's so bad that I genuinely thought some fly-by-night Chinese manufacturer had stolen their domain and logo. But nope, it's still the same people.