I very briefly discussed this with Michael Brooks at lavecon however this could prove interesting.....
http://blog.leapmotion.com/leap-mot...ail&utm_term=0_f0a6fbd89e-7bb2b9fe3c-60108289
http://blog.leapmotion.com/leap-mot...ail&utm_term=0_f0a6fbd89e-7bb2b9fe3c-60108289