I saw a thread about this in the X2 forum. Has anyone try this out with X2?
It does look cool.....
 
https://www.leapmotion.com/product

I think it will be great for conducting
 
I dunno what to use it for with a DAW to be honest. It looks like it'll be a very exhausting mouse. But having said that, the tech is definitely cool and if someone discovers a cool way to use it with a DAW I'm all for it, especially at that price!