[MikeNasa]

I need to add an inertial head tracking capability to an application that uses an HMD. The candidates are Intersense Inertia Cube 2 or 3, Trivisio Colibri 3DOF, and Motionnode. Based on experience can someone give me an idea which of the these will be easier to incorporate into my application? (I.e. minimal bugs and operates reliably and accurately.)

Thanks