Amazon has the Alienware AW2725DM 27" QHD 180Hz Gaming Monitor on sale for $189 with free shipping. Tip: Get 10% cashback with a Prime Card. Also at Dell. 

• 27" IPS Panel (2560 x 1440), 180Hz Refresh Rate, 400 nits, 1ms - 4ms GTG Response Time
• 2 x HDMI, 1 x DP, 1.07 Billion Colors, LED Edgelight System, 178° Viewing Angles