520K splitting them
There's 50 weeks
That's 10K/week.
Unless Halo turns around and outsells SSBB during next christmas (very unlikely), I'd say Brawl should win fairly easily.
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS







