eBay with antonline has the Lenovo G27-20 27" FHD IPS 144Hz Gaming LCD Monitor (66C2GCC1US) on sale for $110 with free shipping.

• 27" IPS WLED Panel (1920 x 1080), 144Hz Refresh Rate, 5ms Response Time (1ms w/ MPRT)
• 400-nits brightness, 1 x HDMI 1.4, 1 x DP 1.2, 178°/178° Viewing Angles