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


If you want to play just controller games, this one is probably overkill and maybe a bit bulky. I guess the HD haptics are neat.
Then again, it likely won’t be any more expensive than the scam amount of money microsoft charges for their basic, non-HAL effect, non-gyro, basic haptics controllers.