The listing, Halo 4 Collectors Edition has ended.
This edition is very much sought after....
You get the game plus:
A steel façade case with a UNSC device stencilled on it
A redeemable code for the Infinity Actual Kit
War Games Map Pass
Recruit Prime armor skin
Prime emblem
Assault Rifle Prime weapon skin
All eight Specializations unlocked immediately after reaching SR-50
Cryo-Chamber Avatar prop[2]
Recruit Armor Avatar clothes [2]
UNSC Infinity Briefing Packet, which includes MJOLNIR armor schematics, weapon information, and a layout of the indoctrination of the SPARTAN-IVs
90-minute extended edition of Halo 4: Forward Unto Dawn accessible through Halo Waypoint
Bonus content providing backstory on characters and stories in Halo 4: Forward Unto Dawn
Special featurette: Making of Halo 4: Forward Unto Dawn
Special featurette: Bringing Gaming to Reality