kbrockman,
All good points, but why do we need a gun that fires 10,000 rounds per minute when the box (in the case of the the F35) can only hold 180 or 220 rounds? I know I'll get corrected here, but we can (sorry, could) drive our guns electrically (only to spin the fly wheel we were talking about earlier), it's gas pressure from the fired rounds that drive most guns, init?
Lighter guns, fine. But guns for the job we want them to do. Have I misunderstood your point? Sorry if I have. Also the gun in the picture (could it be a bit smaller?), doesn't look a bit like the Gatling equivalent of an AK47? Only because I like big guns, I guess.
Oh, and I don't think we would want to be relliant on the Russians for our gun parts (I know you weren't suggesting that).
Courtney
EDIT: COCL2, very good points too. You'll find find my thoughts about that somewhere around here. F-18 could well be the answer. What gun's it got?