My exact same list. although i'm thinking it'll be closer to 600! I'm guessing $150 per figure.
Well, given the materials, I'm guessing $150 for Batman's, and clothed figures like Joker at $125. So ya, close to $600. Unless license fees differ, a Joker figure shouldn't cost any more than Cannibal Jack Sparrow who had 2 different heads and real feather items. Batman's suit is going to be more elaborate, particularly if they work hard to make it look good and be articulated well. Davy Jones wasn't treated much the way of articulation so his price came in decent but I think Batman could be up there because Bats needs to be articulated, particularly a Begins suit based figure if they're looking for redemption over the first release.