Don't spend hundreds of dollars on gaming monitors, they are worth the money and are great for gaming and watching movies. Note that they cannot be mounted. I bought a dual mount kit but found they don't have a vesa mount. Well my solution was about 3m of double sided tape.
Dell E2318Hx LED Lit Monitor: High-Definition Display with Flicker-Free Technology and IPS Panel
109 Review
Samsung Flat Monitor Super Slim Design 27", 1920X1080P, 75Hz, Flicker Free
112 Review
Dell SE2216HV LED 💻 Monitor with 60Hz Refresh Rate
101 Review
LG 27MP59G-P 27 inch Monitor with FreeSync, 75Hz Refresh Rate, and 1080p HD Resolution
93 Review