eBay has the certified refurbished Acer Nitro 27" 180Hz QHD LED Gaming Monitor (KGB271U) on sale for $124 - 20% off with coupon code HOLIDAYREADY [Exp 10/12] = $99 with free shipping. 

• 27" IPS Panel (2560 x 1440), 180Hz Refresh Rate, 1ms Response Time 
• AMD FreeSync, 250 nits, VESA mount: 100 x 100