PS3 most certainly undertracked.

[TWRoO]

Wii stock according to VGC:

March 31st 2007 - 110k
June 30th 2007 - 410k
Sept 30th 2007 - 1,020k (this was more likely retailers holding onto shipments though... although 1 million is still not adequate [sp?] Wii stock at that time)