I have pre - ordered :

Aliens: Colonial Marines (PlayStation3)
Modern Warfare 2 (Call Of Duty 6) (PlayStation3)
FIFA 10 (PlayStation3)
Aliens Vs Predator (PlayStation3)
Ghostbusters: The Video Game (with FREE Play.com Exclusive Ghostbusters T-Shirt) (PlayStation3)
This Is Vegas (PlayStation3)
Gran Turismo 5 (PS3) (PlayStation3)

I mostly plan on COD5, Fifa 09, GTAIV, Leisure Suite Larry, Rainbow Six 2, Ghost Recon 2, Legends Of Wrestlemania, Sega Megadrive Classics.

Depends what games you are into.