Xbox 360 game rentals?

ok so I am going to get a rental for about a week my current games are


cod waw


halo 3


nba 2k9


mlb 2k9


madden 09


ncaa football 09


gta iv


gears of war 2


oblivion


fallout 3


Based on these games what is a good 1 week rental?Xbox 360 game rentals?
Left 4 Dead


CoD 4


Gears of War 1


Madden 10Xbox 360 game rentals?
I dont see Call of Duty 4 on there, if you liked COD: WAW, youll like COD4. Antoher game that is pretty good is Lost Planet.