Buying Xbox 360 and Need an good game

Hello, Im goingto buy an 360 and i am stumped on what game i should get to go with it i was considering F.E.A.R and Call Of Duty The type of game im looking for is...

-Replay Value

-Good Story

-Cool Main Character

I really dont care what Genre ofgame it is as long as it has all the things i listed

Rainbow Six Vegas

G.R.A.W. 2

Kameo

Dead Rising

Viva Pinata

Splinter Cell Double Agent

-Dead Rising

-Lost Planet

-Oblivion

-Kameo

-Condemned

-Call of Juarez

-Prey

-Crackdown