I agree DJ. Nintendo needs to stay modest now. Because they haven't actually reached something, the Wii has not sold a single unit yet.

The American launch titels confirmed

Blazing Angels: Squadrons of WWII
Call of Duty 3
Elebits
Excite Truck
Far Cry: Vengeance
GT Pro Series
Madden NFL 07
Marvel: Ultimate Alliance
Monster 4x4: World Circuit
Need for Speed: Carbon
Open Season
Rapala Tournament Fishing
Rayman Raving Rabbids
Red Steel
Super Monkey Ball: Banana Blitz
The Legend of Zelda: Twilight Princess
Tom Clancy's Splinter Cell Double Agent
Tony Hawk's Downhill Jam
Trauma Center: Second Opinion
World Series of Poker
Wii Sports (bundled)

Excite truck, Call of Duty 3, Red Steel and Twilight Princess are the ones I would buy.

European launch details:

Release is on 8 december, for 250 euro (which is somewhere around 320 dollar). Included are one nunchuck, one wiimote and Wii Sports. Software will cost between 50 and 55 euro.
At launch there will be 15 to 20 third party games.
There will also be something called Wii play pack at launch. This pack consists out of a nunchuck, a wiimote and a disc with minigames.