Here's a montage of exclusive and multi platform games coming to PS3 in 2008.
Resistance 2 (exclusive)
LittleBigPlanet (exclusive)
GRID (multi platform)
Killzone 2 (exclusive)
MetalGearSolid4 (exclusive)
Spider-man: Web of Shadows(multi platform)
The Incredible Hulk (multi platform)
Iron Man (multi platform, PS3 exclusive content)
Gran Turismo 5 (exclusive)
Grand Theft Auto 4 (multi platform, PS3 exclusive content)
Soul Calibur 4 (multi platform, PS3 exclusive content)
HAZE (exclusive)
