Brumster is a mate of mine and I've been trying this out.I'm a Beta backer not Alpha, so was looking for something that would replace TrackIR.
I found this Arduino sketch:
http://sourceforge.net/projects/gy512forfacetracknoir/
Using this plugin for FaceTrackNoIR
http://sourceforge.net/projects/hatire/
I found this Arduino sketch:
http://sourceforge.net/projects/gy512forfacetracknoir/
Using this plugin for FaceTrackNoIR
http://sourceforge.net/projects/hatire/