best shooter this gen

[Kantor]

BioShock is not a shooter, so:

1) Killzone 2
2) Gears of War 1/2
3) Call of Duty 4: Modern Warfare
4) Left 4 Dead
5) Halo 3

EDIT: Shit, I forgot Left 4 Dead.

EDIT 2: Counting BioShock,

1) BioShock

2) Killzone 2

3) Gears of War 1/2

4) Call of Duty 4: Modern Warfare

5) Left 4 Dead.