I have been a PC gamer since @ 1993. I build my own rigs, and have always had high-quality components.
My present system: Asus P8P67 MB, 8 GB Corsair Vengeance RAM, Intel i7-2600k CPU overclocked presently to @ 4.2 ghz, nVidia 780 video card, Corsair 850W PS, water-cooled CPU, Samsung 850 EVO 1 TB SSD, Asus Xonar Essence ST sound card, and an Eizo FG2421 monitor.
This Eizo monitor is fast, with very low refresh, excellent 'blacks' and contrast, accurate color reproduction, and excellent in gaming. My son and I play different types of games including 'FPS' style ( Battlefield 4) Back in 2013 when I bought it, I tested out BenQ, Asus, Dell, and others, many of which had G-Sync (when that all started). This Eizo was the best.
Why did you not test any Eizo products?