Acer's 27-inch 1440p 144Hz gaming monitor upgrades your setup for $260 (Amazon low)
Amazon.com: VIOTEK GN27DB 27-Inch Curved Gaming Monitor, 1440p 144Hz Samsung VA Panel, FreeSync GamePlus FPS/RTS – VESA (Black) : Electronics
GFV27DAB 27” Gaming Monitor — 1440P 1MS VA Panel with Full-Motion Stand | FreeSync & G-Sync Ready (VESA) - Viotek
SAMSUNG ODYSSEY G5 27″ 1440P 144HZ VA CURVED GAMING MONITOR – VISTA TECHNOLOGY
Amazon.com: MSI Full HD Gaming Red LED Non-Glare Super Narrow Bezel 1ms 2560 x 1440 144Hz Refresh Rate 2K Resolution Free Sync 27” Curved Gaming Monitor (Optix MAG27CQ) : Electronics