Asus Republic of Gamers (ROG, lol) has announced the ROG Xbox Ally X20, a new version of the ROG Xbox Ally X that launched last year, featuring a larger now-OLED screen, tunneling magnetoresistance joysticks, and a transparent shell. It will still feature the same AMD Ryzen AI Z2 extreme processor that makes last year’s ROG Xbox Ally X the handheld powerhouse it is, but this X20 device is likely to cost you a lot more. That’s because it will only…