Would MS Xbox consoles have lived without the Halo series?

[toastboy44562]

Squilliam said:
But once Gears of War came along, the Xbox 360 no longer needed Halo nearly as much.

this, and now gta 4 is big, final fantasy will be big, metal gear solid will be big, forza is big, and call of duty expanded A LOT on xbox 360!