When will Wii U pass up GameCube?

[gcube2000]

oniyide said:
maybe toward the end. Even then thats not good. less 25mil that means it would would sold almost a FIFTH of what Wii sold. Has a system ever sold that much lower than its predecessor?

I don't think so.. which is sad.. Wii U deserves better sales than selling only 1/5 of the Wii