Unreal Tournament 3, PC - £6.99 on Steam
Free weekend is on right now too.
Also worth thinking about the Unreal Deal Pack:
Unreal 2: The Awakening
Unreal Tournament: Game of the Year Edition
Unreal Tournament 2004: Editor's Choice Edition
Unreal Tournament 3
All for £11.49
Guitar Hero 3: Legends Of Rock + Wireless Controller, PS2 - £17.99 delivered
Are these guitars compatible with the PS3?