For quite a wile now, I've been toying with the idea of making it easier to get around all the buttons and switches in my most complicated aircraft (PMDG J41, 737NG and 747), so I have been looking at TrackIR and the new Tobii EyeX.
Although the Tobii looks really interesting and dispenses with the need to wear a hat, or a headset, it doesn't appear to be capable of zooming in or out, and makes it a little too hard to look down at the keyboard/panels etc. without feeling sick when the screen is constantly moving.
Oculus Rift wouldn't interest me as its far too expensive, and you can't