im guessing the sony tweets are larger from what it sounds like, considering all of these other brands fit in nicely. for yall's tweeters, did they come with a casing around it (or a grille already formed around the tweeter) already, or were they bare to fit behind a stock grille, etc? the sonys come with a molded grille around the tweeter already, so that might be a reason why they wont fit.
i guess ill have to try and send them back and try some rockfords or pioneers.