Yes the Wii is going to decline 20% in the year that starts with a holiday boost from New SMB Wii, Wii Fit Plus, Wii Sports Resort, and a price cut, and later gets a new 3-D Mario, Metroid, and Motion+ Zelda, when compared to a year that started with a holiday boost from Animal Crossing and Wii Music.
In other news, I am about to eat the sun.