http://leapmotion.com/
They hand out FREE dev kits :
https://live.leapmotion.com/developers.html
How can I get a free developer kit?
We’re distributing thousands of kits to qualified developers, because, well, we want to see what kinds of incredible things you can all do with our technology. So wow us. Actually, register to get the SDK and a free Leap device first, and then wow us.
Minorities reporting anyone ?How about Linux?
Linux support is on the agenda.