Mass Effect 2 - Vanguard Combat Class

Game - Mass Effect 2
Publisher - Electronic Arts
Developer - Bioware
Engine - Unreal 3
Platform - PC, 360
Release Date - 26 January 2010

Darksiders - Launch Trailer

Game - Darksiders
Publisher - THQ
Developer - Vigil Games
Platform - 360, PS3
Released Date - 05 January 2010

Source
http://www.youtube.com/user/G4VideogameTrailers

Bayonetta - Screens

Game - Bayonetta

Publisher - Sega
Developer - Platinum Games
Platform - 360, PS3
Released Date - 05 January 2010