^ Not me! The fact that Halo 1 was a campaign able to be played coop made me buy the Xbox (1) alone. I love me some coop action... in a non-sexual way.
For Aliens, having a chatter in your ear only lends itself to be more like you are there since the marines wear ear pieces and all. It's also like you are really there with real squad members. f**kING CAN'T WAIT!