Personally i bought modern samsung and not connecting it to the net for and online services i am still using my android tv box mecool km9 which i debloated also got root access and there possible to install custom firmware like on android phones soo basically much more customization ,u can look at brand mecool, x96 or ugoos.
Old used surface pro 3 works great with linux ,hardware still fine and screen is awesome.i own one and run pop os on wayland.
Resolution of screen 2160x1440 12’ Intel Core i5-4300U