Fans who bought their DS copy of Animal Crossing: Wild World in a different region may have problems with Wii transfers.
It looks like Australian fans who have waited for the Wii version of Animal Crossing won't be able to use their DS saves to transfer rare items across using the briefcase feature.
Whilst using imported DS games with your Wii is not advised due to differences in regions, it looks like Nintendo has been caught out: The Australian copies of Animal Crossing DS are infact US versions with a different sticker. When prompted at the beginning of the game, your cat chum will politely note that the game is incompatible: