I think apple should buy leap motion immediately with a piece of that gigantic cash horde they have. Integrate it into the next operating system (not mountain lion, too late for that), and once again piss on the competition.
Yes, Apple should definitely buy Leap if they want to stay ahead, but I'd be happier if they didn't. It would be a lot better for the market overall if they didn't buy them because it would mean freer development, better app integration, and much more freedom and possibilities.
If you do Parting the wild horse's mane, Parting the wild horse's mane, Grasp the Bird's tail, Grasp the Bird's tail, Snake creeps through the Grass, Snake creeps through the Grass, it will do something awesome.