yeah for armour and for the base and maybe chassis?
what speed controller would work with 2 12V drill motors on each side, so 4 all together? ive heard of a sabertooth dual speed controller. i dont really want anything too expencive for my first build.

as for radio gear i was thinking of using my old futaba radio gear from a model aircraft. i know it will probly be an illegal frequency for battles but i would just use it to see whats what and if i could actually get the robot working :P

Adam