This actually does look promising..
The camera sits in-front of you and points toward the display, and the guns are simply IR laser pointers, so as long as the camera doesn't suck it should be exceptionally accurate once calibrated.
the issue with this in a cab setup (or even in your living room) is that the camera can't move (or it will knock it out of calibration) and needs to be situated far enough from the display to get the whole thing into view.
The quality of this will really come down to the speed and resolution of the camera and how fast the associated circuit can process the point data.
I think the biggest potential issue with this is reflections. lots of modern displays have crazy glossy bezels around the parameter of the screen, which could produce reflections, even if you're shooting at the center of the screen you could see 2 or more dots along the parameter from the light reflecting off the screen surface onto the bezel. This is perhaps something that could be taken into account in software, but I'm interested to see how well this system works.
ironically I'd suspect that this setup likely wont work well on CRTs given the brightness of the image could wash out the IR dot.
Also, given that this works with Xbox One and would presumably output the data as an analog stick this would essentially be a plug and play solution for MAME and other emulators.
