Ratchet and Clank - how will it sell?

[choirsoftheeye]

Deviation59 said:

dschumm said:
R&C 1 - 2.93 million
R&C 2 - 2.42 million
R&C 3 - 2.17 million

Prediction
R&C PS3 - 650,000 by Dec 31. 1 million lifetime

VG Chartz seems to be undertracking the Ratchet and Clank games by upwards of 1 million per title.

 Where's your evidence for that claim?  I don't think VGChartz uses its own data for last-gen or earlier titles, because the site didn't so much exist for most of that time period....