In my experiance with games that have co-op it always makes the games way too easy. So lets take Gears for example, if you are put down in singleplayer thats it game-over, but in co-op its a diffrent story, you can lend a magic healing hand. This seems to be the cace with all of the co-op games i have played. It just takes the staisfaction out of completing a game if you were revived/respawned a thousand times. Or perhaps the game aught to continue in single player in the cace of your unfortunate demise until one of you frendly A.I frends lends a helping hand or a not so frendly A.I lends a bullet to the brain. So what do you think?