So Valve did it, a Switch-like running PC games. Running a Zen 2 CPU with a RDNA GPU, like modern consoles. The GPU is roughly 40% the performance of an Xbox Series S, but it only has a 1200x800 7" screen (much like the Switch) so that should be more than fast enough.
Starts at $399, although you’ll probably want the $529 model for 4x the non-MMC storage.
Runs SteamOS, not Windows-- but Proton is pretty dang great these days so that may not really be a problem.
Preorders open July 16th at 10AM PT. Ships December.