Rakuten.com has the LG 29UM68-P 21:9 UltraWide FreeSync 29" IPS LED Monitor on sale for $199 - 20% off with coupon code BF20 [Exp 11/24] = $159 with free shipping.

FreeSync is AMD's proprietary name for variable refresh rate technology which reduces or completely eliminates screen tearing, stutter and input lag.

• 2560 x 1080 @ 75Hz refresh (21:9), 5ms response time
  
• 178° viewing angles, 250 cd/m² brightness, HDMI, DisplayPort