That would be fun. Very expensive, but fun. Heck those R/C planes are at least $100 each just for engine and radio, probably closer to $150. The amount of money spent on all that ammo would be mind blowing!
Think of it as an economic stimulus package.
Put a +1 on your geekness atribute
what a colossal waste of money.
not quite the same, but i really wanted to do it when i was younger. Still want to eventually. http://www.modelwarshipcombat.com/index.shtml
Bumper boats? Looks like fun
http://www.youtube.com/user/modelwarshipcombat#p/a/u/0/xy7MCmvLmeQ
Ohh, I didn't know about the cannons. Watched it with the sound off. Cool