I have no doubt that Halo Reach will sell better, because it does have that fanatic cult following, but I believe that Killzone 3 really will be a game of higher quality.
Atari 2600, Sega Mega Drive, Game Boy, Game Boy Advanced, N64, Playstation, Xbox, PSP Phat, PSP 3000, and PS3 60gb (upgraded to 320gb), NDS
Linux Ubuntu user
Favourite game: Killzone 3