Will anything dethrone the Steam Deck? Probably not
www.gamingonlinux.comWhile other vendors continually push out new handheld pc models, sticking similar internals into different shell designs and gradually bumping up RAM or the Processor, the Steam Deck just keeps selling like hot tasty cakes.
I expect Microsoft’s handheld to fall under the Xbox brand, so it’ll probably be incredibly locked down and not something you could use like a PC