I've just found the list (or a supposed list) of games to be shown at the Playstation Experience, to be held in London between the 28th and 31st of August:
SCEE:
Gran Turismo 4
WRC 3
Formula One 2003
Ghosthunter
Jak II
Eye Toy
Everquest Adventures
Hardware
This is Football 2004
Time Crisis 3
My Street
Amplitude
Dark Chronicle
SOCOM 2
Destruction Derby Arenas
Dog's Tale
Eidos:
Legacy Of Kain: Defiance
Backyard Wrestling: Don't Try This at Home
The Italian Job
Whiplash
Vivendi:
The Hobbit
Simpsons: Hit and Run
Crash Bandicoot: Nitro Kart
Buffy the Vampire Slayer: Chaos Bleeds
Metal Arms
Judge Dredd: Dredd Vs Death
Acclaim:
Urban Freestyle Soccer
Alias
Gladiator
NBA Jam
Midway:
Freaky Flyers
Freestyle: Metal X
Spy Hunter 2
Roadkill
The Suffering
NHL Hitz Pro
Mortal Kombat: Deadly Alliance
Konami:
Pro Evolution Soccer 3
Dancing Stage Fever
Karaoke Revolution
Castlevania
Teenage Mutant Ninja Turtles
Electronic Arts:
FIFA 2004
James Bond 007: Everything or Nothing
Harry Potter Quidditch World Cup
The Lord of The Rings, The Return of the King
Medal of Honor Rising Sun
SSX 3
Need for Speed Underground
THQ:
Tak and the Power of Juju
Finding Nemo
Warhammer 40,000: Fire Warrior
Broken Sword 3: The sleeping Dragon
Sphinx and the Shadow of Set
WWE Smackdown! Here comes the Pain!
Codemasters:
Arsenal Club Football
Liverpool Club Football
Chelsea Club Football
Manchester United Club Football
Colin McRae 4
Pop Idol
Ubisoft:
Beyond Good & Evil
Prince of Persia: the sands of time
XIII
Charlie's Angels
Batman 2
Crouching Tiger Hidden Dragon
Atari:
Kya: Dark Lineage
Beyblade
Asterix 5
Terminator 3: Rise of the Machines
Unlimited Saga
Dragonball Z: Budokai 2
No Killzone in here, hope this is just wrong.