Phoronix article: https://www.phoronix.com/news/Steam-Machines-Frame-2026
Also listed here: https://store.steampowered.com/sale/hardware
Valve has already sent support for the new Steam Controller upstream: https://www.phoronix.com/news/New-Steam-Controller-SDL
Yeah, you can. SteamOS is basically just a customized arch Linux. It’s what runs on the steam deck, which you can install non-steam games on. They integrate really well into the console experience as well.