I'm thinking of hitting up the 16GB and am trying to get an idea of how much space apps take up. Main function of the iPad will be comic books...LOL....I know. With the potential of buying the Garageband and IMovie apps for iPad I'm wondering how much they may bake up. 64GB is overkill IMO b/c another iPad will be out within 3 generations to replace this bad boy. but maybe not!