"Save the cheerleader, save the world." With that immediately memorable mantra, Heroes became the top-rated new series of fall 2006. Featuring such archetypal characters as one with a split personality, one who can fly, one who can see the future, one who can time travel -- and the evil villain out to steal all of the powers for himself -- the show touches our inner comic book fan, even if we've never cracked open a comic book...