I don't understand why the GameCube at $99 didn't beat the $199 PS2.
See how stupid that sounds? People are intelligent, and base their purchases off more than just price.
No, the real reason Wii is selling so well is because all the FAT and LAZY people buy them--this thread proves it: http://www.vgchartz.com/forum/thread.php?id=51468&page=1