If that's the case then I'd lean towards 1080P.
Spoke to him and he agreed to lean to 1080p so we will have to find a good monitor the rest of the equipment are all set.
Mouse:ASUS ROG Gladius III Wired Gaming Mouse, 19K Optical Sensor, 19,000 DPI, 6 Programmable Buttons, RGB Lighting, ROG Switch Socket Design, Swappable Switches, Ergonomic, Black.
Headset:MSI IMMERSE GH50 Gaming Headset 'USB, 7.1 Virtual Surround Sound, Black, Ambient RGB, inline audio controller, 40mm Drivers, detachable Mic, MSI Center.
Keyboard:Corsair K55 RGB PRO Wired Membrane Gaming Keyboard (Dynamic Per-Key RGB Backlighting, 6 Macro Keys w/Elgato Software Integration, IP42 Dust and Spill-Resistant, Detachable Palm Rest) QWERTY, Black.