May Mac Be With You

This little app turns your Mac into a Lightsaber and moving it around makes various sounds go off (basically tilt it about a bit to change the speed of striking or the sound of the 'macsaber')

Enjoy.

Free - http://www.macupdate.com/info.php/id/21732

MacSaber in action - http://www.youtube.com/watch?v=qK4AonfnFaM (not advised to do this with such ferocity as it may break the machine)