Grand Theft Auto IV

Grand Theft Auto IV (also known as GTA IV or GTA 4) is the upcoming eleventh installment, and first in the fourth generation, of the Grand Theft Auto video game franchise, announced for release by Rockstar Games in 2007 for PlayStation 3 and Xbox 360. The game is set in a redesigned Liberty City in the year 2007. GTA IV has been nominated for a 2006 Golden Joystick Award in the One To Watch For 2007 category.
For more information please visit GTA's official website: http://rockstargames.com/IV/

Also take a look at the following official trailers:
Trailer #1


Trailer #2