I've grown cautiously optimistic, perhaps even confident, that it will pass 4 million.

If Uncharted can be closing in (almost) on 3 mil, then LBP should definitely pass 4.

Sony should keep advertising LittleBigPlanet it is such a good game. Very cute and fun.

I dont know, the game is part of a niche genre and has sold better than it should have IMO(of course I found the pre mad levels to be awful). Most platformers bomb save for Mario. The genre is dead for the most part and the sales are surprising, but we will see. The game is being debated as overtracked here, but even within Sonys internal #s its doing great for a platformer and new IP. Janurary sales are around the corner so we wont have to wait long to tell.