^ That's a good point.
http://vgchartz.com/swlaunch.php?reg1=All&game1=Sonic+and+the+Secret+Rings+-+Wii®2=All&game2=®3=All&game3=&weeks=100&weekly=1
Mario and Sonic launched about 15 weeks ago, at that time S and the SR averaged 11K, now it averages 16ish K, in a slower period. M & S boosted S & SR with more than 50%
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS