This list is not 100% confirmed nor finalised, with a noticeable absence from Sony themselves:
ACTIVISION
Call of Duty 4: Modern Warfare
Enemy Territory: Quake Wars
Tony Hawk’s Proving Ground
BETHESDA
Possibly Fallout 3
CAPCOM
Devil May Cry 4
Rocketmen: Axis of Evil
Super Puzzle Fighter II Turbo HD Remix
Super Street Fighter II Turbo HD Remix
Talisman
CODEMASTERS
Cliver Barker’s Jericho
HEI$T
Rise of the [...]
"Rumoured PS3 Games to Appear at E3" - 05.07.07