Check this shiznizzle out:
http://www.darpa.mil/dso/programs.htm Yer tax dollars hard at work...building the super-computing, laser-wielding, HUD-in-eye, invisible, indestructible, unfeeling soldier of the future. Brought to you by the kids who invented the internet. They also have big robotic wasps with cameras (already built and being field tested by the USMC).
Wow.