COD may sell more, but even though I have yet to play either of them I know that Halo : Reach has such an extraordinary amount of content to the point where nothing else could even hope to compete.
Well done MS and Bungie.
iPhone = Great gaming device. Don't agree? Who cares, because you're wrong.
Currently playing:
Final Fantasy VI (iOS), Final Fantasy: Record Keeper (iOS) & Dragon Quest V (iOS)