Nintendo of America president and COO Reggie Fils-Aime has confirmed that premium downloadable content is possible on the Wii.
Speaking to Game Informer magazine, Fils-Aime said: "If our licensee partners want to go in that direction [premium downloadable content], it's certainly possible in our system." Fils-Aime also took the opportunity to reaffirm Nintendo's plans for downloadable content. "If you've gotten to a particular part in a game, we could push content out to you, so you get to battle a new boss," he said. "Maybe you get a new artefact; maybe you get a new weapon."
With the success of XBL combined w/ DL content, Nintendo and Sony realize that it is a good feature. I think it is awesome how we will be able to play old Nintendo games by DLing them from a 'Marketplace'.
Finally nintendo is going the right path and putting the right cards on the table.