Help Picking Monitor

[RahulMonkey]

Should I get an Acer Predator X34 or something like 32 in to 40 inch 4k panel, I will be running a 980 Ti or Titan X Watercooled with 16gb of ram and 6700k, ITX Build

 

[RahulMonkey]

Also this will be for a racing simulator

 

[RahulMonkey]

Or 2 AOC Ultrawide 60hz