On the official site (jp) yo ucan now see a small clip of how your characters change jobs. loosk quite neat, they spin around, a blinding flash of light and then there they are, in their new outfit. ^^

http://www.square-enix.co.jp/ff3/main.html

Just check this site out for some neat little, new stuff...
Sorry if this has been posted already, don't shoot. ^^"