Halo 3 Mythic pack out on April 9th for 800 points. Major Nelson confirmed this along with Gears of War 2: On March 31st the Snowblind map pack will be available for 800 points. The map pack contains four new Winter themed maps: Grindyard, Under Hill, Courtyard, and a frozen version of the "Gears of War" favorite, Fuel depot. In addition, a title update is on it's way that contains various improvements and fixes as outlined here.