So, you just sprung for a multitouch-enabled Battalion CZ-11, eh? Too bad there's hardly any software out there for you to take advantage of. Er, was out there. iBuyPower -- a company most often associated with new hardware -- has just flexed its software muscle by creating a new system that will enable any game to played via multitouch, regardless of whether the game's creators gave it so much as a thought. Magic, which is short for Multitouch Advanced Gaming Interface and Control, is a proprietary piece of code designed specifically for the company's own touch-