From what i understand, its basically attack:defense , you can either choose to be powerful, or you can be well defended. If battleships turrets were the best there would be no reason to fly anything less, if you have the money for a battleship and license. I agree, the gunboats might be a tad too strong, but if a battleship or cruiser has high armor AND high attack power, then there is no way anything less could beat it.
While being quite funny, your sig was the biggest one i've ever seen so far. No more than 700x250 please. ~utrack http://pastebin.com/SYQXBufs