If Gears & Halo 3 Are The Killer Games On 360 Which Ones Define PS3?

[Million]

The ps3 isn't defined by one or two titles , it's a whole plethora of 'em.make any of most key franchises on the ps3 mutil and it's business as usual , make either halo or gears multi and you've lost a huge incentive to buy an xbox360.