Listmania!
The Best Games Of All Time (In no particular order)
Assassin's Creed (PS3)Assassin's Creed (PS3)
Buy used from: £7.15
Mindblowing graphics, amazing gameplay, fantastic story, what more can be said?
Call of Duty 4: Modern Warfare - Game of the Year 2009 Edition  (PS3)Call of Duty 4: Modern Warfare - Game of the Year 2009 Edition (PS3)
Buy new: £26.73 / Used from: £22.67
Great graphics, amazing campaign, very replayable and absolutely fantastic online play.
Grand Theft Auto IV (PS3)Grand Theft Auto IV (PS3)
Buy new: £17.39 / Used from: £10.99
Not seen gameplay yet, only saw trailer. GTA? HD? Obviously it'll be amazing.
Resident Evil 5 (PS3)Resident Evil 5 (PS3)
Buy new: £29.87 / Used from: £15.50
I've never had or completed a Res game but i know that this will blow our minds.
Metal Gear Solid 4: Guns of the Patriots (PS3)Metal Gear Solid 4: Guns of the Patriots (PS3)
Buy used from: £12.98
OH MY GOD.
Killzone 2 (PS3)Killzone 2 (PS3)
Buy used from: £10.99
Never played Killzone 1 but this will be one of the best games of 2008, by far.
Unreal Tournament 3 (PS3)Unreal Tournament 3 (PS3)
Buy new: £16.50 / Used from: £5.53
It uses the wicked cool Gears of War (Unreal) graphics engine, it looks sooooo cool.
Haze (PS3)Haze (PS3)
Buy new: £10.00 / Used from: £4.98
This looks to be one of the coolest games ever.
Army of Two (PS3)Army of Two (PS3)
Buy new: £13.70 / Used from: £7.45
It's a tactical third person shooter with a twist. You work as a team with your partner. Cool.
Gran Turismo 5 Prologue (PS3)Gran Turismo 5 Prologue (PS3)
Buy new: £17.93 / Used from: £7.74
I actually mean THE Gran Turismo 5 and NOT the Prologue but amazon don't have that in yet. Graphics will be amazing.
MotorStorm (PS3)MotorStorm (PS3)
Buy used from: £3.44
With it's Ageia Physics engine, it has the most advanced Physics of any game EVER made. No splitscreen multiplayer though.
Turok (PS3)Turok (PS3)
Buy new: £6.95 / Used from: £4.98
One Word. Mindblowing.