This game is great and everyone should get it!
Plus this is the Augmented Edition. It contains:
Exclusive 40-page Artbook - Showcasing the concepts behind the world of 2027. Discover the origins of the design, the characters and the weapons of Deus Ex: Human Revolution
44-minute making-of chronicling the trials and tribulations of the Eidos-Montreal team
Motion comic based on the first issue of the DC Comics adaptation
Game soundtrack composed by Michael McCann
E3 Trailer and animated storyboard