Well, at least they move, right?
k:
Oh, you might want to become a forum member if you have a tentative posting situation like this
Its even free too :w00t:
With triggers you can make it so the computers cannot even speak with each other, and then another trigger that every turn will change the diplomacy between them to war.
To do this, set the "turn" or "Turns" setting of the trigger to -1.