Deus Ex Human Revolution is available in very limited numbers as a Collectors Edition.
Here is a list of the extras within the collectors Edition box
*Highly collectable Adam Jensen action figurine designed by Play Arts Kai
*Explosive Mission Pack: An entirely new mission with a special cameo appearance from one of the original DEUS EX characters
*Exclusive in-game weapons: Automatic Unlocking Device, M-28 Utility Remote-Detonated Explosive Device (UR-DED), Linebacker G-87 multiple shot grenade launcher, Huntsman Silverback Double-Barrel Shotgun, SERSR Longsword Whisperhead silenced sniper rifle
*10,000 extra credits to buy or upgrade weapons
*DVD featuring a 44-minute "making of" special, 30-minute game soundtrack, motion-comic (adapted from DC Comics' official series), E3 trailer and animated storyboard
*40-page art book
Extra figures (see image) can be purchased separately, available sometime during late August 2011 for around the $40 mark.