These are exactly how much Asus’ own ROG Ally and ROG Ally X handhelds cost in the US, so it’s reasonable to assume their UK prices – £599 and £799 respectively – would

The same thing that makes Windows gaming handhelds desirable also holds them back. It's never been the hardware. The designs aren't perfect in a lot of the devices -- even the best of the lot, the Asus ROG Ally and ROG Ally X,