VR may still be young, with an install base still small compared to the world of traditional gaming consoles, but it can’t be ignored that mounting sales of the Playstation VR headset—effectively a very expensive accessory for the PS4—is adding up to considerable revenue. In an era where PS4 has a significant install base lead already, and with PSVR further sharpening the system’s competitive edge, pressure is mounting for Microsoft to figure out its Xbox VR strategy.
Update (April 4th, 2019): Article updated with Sony’s latest official sales figures for PS4 (91.6 million, January 7th) and PlayStation VR (4.2 million, March 25th),