Physically Based Camera Rendering
extremeistan.wordpress.com
extremeistan.wordpress.com
I'm not sure if the researchers at Tri-Ace are related to those at http://www.siliconstudio.co.jp/nex-gen/en/ but, I wouldn't be surprised.
A cool thing would be to do DoF combined with eye tracking and focus exactly where I'm looking at the scene.
A FPS for a VR headset however should try to mimic the eye instead, because I think it'll be more apparent that those effects shouldn't be there.