VGChartz has undertracked PSP sales by 4.5 million!

[Louie]

TheSource already explained the situation in another thread: Sony probably overshipped in the west, according to Sony's own numbers PSP hardware : Software ratio decreased during the holidays while it should increase. So either people decided to stop buying games for their PSP or Sony really stuffed the channel. I'd say stuffing the channel sounds more realistic. It is unlikely that not only vgchartz but most other sources are all wrong. And I doubt east Europe was undertracked by 5 million units.