If i see one more comparison to Gears Of War i'm going to go and cry in a corner.
Seriously, there is no relation between Gears and Dead Space, other than the fact they are 3rd person shooters and have a cover mechanic (Which MANY games have). Sure EA may be dicks, and as long as they get money, they will be dicks, But complaining about it is not going to do anything.
I saw this at E3 and to be honest it looks good, not perfect, but good. They even said the story won't be affected if you play it just in Single Player, So to all the people bitching about the story getting dumbed down as a result of the Co-Op...
Facts. Get them.