The Associated Press says to call it a "thinking gamer's Halo." The prequel Halo Wars whic is set in the fictional Halo world is due out in 2009 for the Xbox. The strategy game puts the Covenant armies up against the United Nations Space Command (UNSC). The Wikipedia entry says players will be able to play as the alien Covenant. You can view some Halo Wars trailers here and view the official community website here.
