halo Wars sales will be huge for it's genre - bigger than killzone 2.

[whatever]

LOL. One store having more halo war's pre-orders is meaningless. Look at Amazon video game bestsellers.

http://www.amazon.com/gp/bestsellers/videogames

Killzone 2 is #1 right now, Halo Wars is #265. This will be no contest by any sales measure.