3DS currently stands at about 5.5m.
If it sells on par with last two years, it should be around 14m to 15m by end of this year.
However, last two years did NOT have Pokemon or a 3DS with a base price of $130 where it'll likely be on sale or bundled with free games as well, especially Pokemon come black friday.
However, is that enough to make up an additional 5m?
I don't think so. I'd bet closer to 17m for 2013 when its all said and done.







