GAMES INCLUDED
Half-Life 2
Half-Life 2: Episode 1
Half-Life 2: Episode 2
Portal
Team Fortress 2
I used to play a lot of TFC 1.5 back in the day and TFC 2's looking like a worthy successor. No word on keyboard & mouse support on PS3 yet, Valve supported it in Half-Life for PS2 but I wouldn't bet on it now.
These trailers are also available from STEAM.
GC 2006 Trailer HD
MOV [88.8 MB]
WMV [83.2 MB]
Meet the Heavy
MOV [40.8 MB]
WMV [34.9 MB]