What is VR? The devices and apps that turn the real world virtual
Everything You Need to Know Before Buying a VR Headset | WIRED
Guide: Check if Your PC is VR Ready (Specs for Oculus, Valve, HTC)
Amazon.com: HP Reverb G2 VR Headset with Controller, Adjustable Lenses & Speakers from Valve, 2160 x 2160 LCD Panels, for Gaming, Ergonomic Design, 4 Cameras, Compatible with SteamVR & Windows Mixed Reality :
Playing PCVR WITHOUT A Graphics Card! - YouTube
Brelyon's Ultra Reality technology: VR without the headset by Jose Antunes - ProVideo Coalition