Glad somebody started this thread, cuz i was... they did show the fernir alot throughout the video... also none of them had keychains which was already said by xehanort: 17... but that got me to thinking when nomura said there are as many keyblades as there are hearts that are worthy to use them, maybe keyblades are made into existance when one is born with a worthy heart, the keyblade takes on a form and characteristics of that person
cloud= fernir keyblade and so on with the other keyblades
sora does wear a crown necklace, has the crown symbol on his face when he's final mode in halloween town, and wears a crown in kh:II + i seen the screenshot so he gets = kingdom key???
riku turns back to his former self, represents darkness to light, heart goes from dark towards light= way to dawn
kairi... i guess she gets a strong heart throught the owhole storyline, possible connection to sora= unamed keyblade??
also if you remember, in kh1 ansem controlling riku made the heart unlocker keyblade out of the princesses of hearts, so that could also be used that keyblades are made by hearts
iight i'm done