Attachment rate in Japan: 16.2% (only 3 or 4 days)
Total sales in USA with same attachment rate: 1.53M
If 2M is to be sold, that would mean an attachment rate of 21.1 %, that is if there are sold 0 wiis from now and untill launch, so about 20.5%
For SSBB to beat Halo 3's first week, it will have to sell 2.96M in Europe + USA first week. That is equal to an attachment rate of 19.99%
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS







