Wait wut. They sold 4.1 million between November 23 to January 4? Yeah they probably sold just a little above 3 million in December, maybe even a little below 3 million.
Going by that, VGC was over tracking the PS4 by ~360k by Week ending Nov 22
Won bet with t3mporary_126 - I correctly predicted that the Wii U's LTD at the end of 2014 would be closer to 9 million than 10 million. http://gamrconnect.vgchartz.com/post.php?id=6673287