You don\'t need any power units at all. When the turret is docked it pulls power from the main ship\'s reserves.
Strap as many AMCs on as you want really...
If by \'they\' you mean the Bobby AI\'s then I don\'t know, sorry. I would assume that since the AI pirate mobs cannot use missles yet, then maybe it is the same for the Bobby AI.
I\'ve had a few tries, but to be honest my designs are pretty ugly looking. Functional, but ugly.
EDIT: Damnit, too slow. xD