I have a 49" 4k curved TV as a monitor. 43" is in no way too big. I'd say that 49" is slightly too large, but 43" would be about perfect. Turning your head i

I have a 49" 4k curved TV as a monitor. 43" is in no way too big. I'd say that 49" is slightly too large, but 43" would be about perfect. Turning your head is a function of field of view, which is a function of screen size and distance. It is easy to change the distance with a keyboard tray or a monitor mount.