Sorry if this has already been found, I couldn't find it in the database! This edition can be won through the beta giveaway, and other sites' contests like
here. The only difference from the regular Helghast Edition is that the eyes of the helghast light up.
KILLZONE®3 Game
Limited authentic Helghast helmet replica
Features illuminated LED eyes and opens to store Killzone 3, art book and PSN Super Voucher
Exclusive cloaking Helghast marksman
6.5" tall action figure with multiple articulation points, created by DC Unlimited
Esclusive KILLZONE®3 art book
100-page hardbound book, featuring art from the Killzone universe
KILLZONE®3 Super Voucher includes:
Killzone 3 Soundtrack And PS3™ Dynamic Theme
Retro Map Pack (2 re-mastered Killzone®2 Maps)
For the First 24 Hours of Multiplayer Gameplay: Double XP and Full Access to All Weapons and Abilities
Bonus Videos: Behind-The-Scenes Look At The Making Of Killzone 3