Nintendo held its Nintendo Wii event in Japan and announced that the Wii console will start selling on December 2nd in Japan for 25,000 Yen (~$212).

The Nintendo Wii console will come with Wii remote, AC adapter, AV cable, console stand, auxiliary plate, sensor bar, server plug stand and 2 packs of batteries.
16 Wii games will be ready at launch in Japan from 10 game studios. 11 more Wii games are schedule for a 2006 release.
More details in this Wii announcement on the Japanese Nintendo site (Japanese). See also the presentation slides from the Japanese Wii event here. More Nintendo Wii News.