The Hitman Absolution teaser that debuted at E3 2011. It's not much, certainly no gameplay or anything, but... if you're a Hitman fan, chances are good it's still going to excite you.
Deus Ex: Human Revolution - Classified Information
Hitman Absolution - E3 Trailer
Hitman: Absolution - The VGA Trailer
Deus Ex Human Revolution - Four Pillars: Stealth