Here's a little bit of video entertainment about some serious technology either being delveloped or in the pipeline. I don't know how many film clips there are, but I've watched about 8 so far.. http://military.discovery.com/videogalleries/warbots/warbots.html?clik=military_leftnav#SWORDS_Robot Worth a watch.
(drop)throw a blanket over that "talon thing"..can't see can't do squat.diga pit and cover it well...robotic threat go away...