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
Most other competitors charge less than steam, but steam has a clause which prevents devs from putting their games cheaper elsewhere. This is the real big shitty move made by valve, otherwise they do mostly everything right. I hope someone challenges this clause in a court of law someday, it looks very monopolistic to me