If you're looking for a good three monitor setup on a limited budget i'd recommend the Asus VH236H which has been code named EVO by the gaming community for its use in the EVO championship series. Input lag of 8.3ms in game mode and a response time of 2ms GTG make this monitor ideal in time-sensitive FPS and RTS games.
Specifications for the Asus VH236H include; 1920 x 1080 resolution, 160°(H) / 160°(V) viewing angle, 0.266mm pixel pitch, 16.7 Million display colors, 300 cd/m2 brightness, 2ms (GTG) response time, D-Sub, DVI, HDMI connectors, VESA Wall mount compatible, and it comes with a 3 year parts and labor warranty. ASUS Splendid Video Intelligence Technology adopts a color engine to detect activation and usage of video...