Tobii EyeX in ArmA 3 - Eye Tracking First Look – 17:07
— Jester814

This looks like a really promising tech, as a lover of the ARMA series and have always wanted TrackIR this is really intriguing to me.  At a great price ($130, plus theres a 30% off coupon) I think I might have to pick this up at some point to try out.