Samsung's Odyssey G5 1440p 144Hz monitor is just £180 at Currys with this code | Rock Paper Shotgun
Acer KG1 - 27" Monitor Full (1920 x 1080) AMD Free-Sync 144 Hz 1 ms GTG TN Film
Amazon.com: Acer KG251Q Jbmidpx 24.5” Full HD (1920 x 1080) Gaming Monitor | AMD FreeSync | Up to 165Hz Refresh Rate | Up to 0.6ms | Zero-Frame | 2 x 2 Watt
Acer Launches Predator XN253QX Monitor with 240 Hz & 0.4 ms G2G Response Time