TP is the kind of game that will sell 3K a week from 2010 to 2012. I definately think TP will beat it.
I predict that TP might end up at 5.5M + after all is said and done.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS