Ail on 30 November 2009
As an NPD customer, Nintendo most likely cross checked their numbers with NPD's before publishing them because they really don't want to look like fools when NPD stuff is released...
As for the difference between US and America, it is usually 10% however as someone pointed out Black Friday is a US only event so you woudn't expect US sales to represent more than 90% of America's sales this week..
PS3-Xbox360 gap : 1.5 millions and going up in PS3 favor !
PS3-Wii gap : 20 millions and going down !
