Note: These are games tested on a MacBook Air with the following specs: 2.13GHz Intel Core 2 Duo, 2GB DDR3 Integrated Ram, 256MB Shared nVidia GeForce 9400M Video Card, Windows Vista SP2 Business x86. This DOES NOT include the Rev. A (1.6GHz/1.8GHz Intel Core 2 Duo, 2GB DDR2 Integrated Ram, 144MB Shared Intel X3100 Video Card) models.
Rating scale: 1-5 (FPS Based off lowest possible graphics settings)
1 - Poor/Won't Run. (>10 FPS)
2 - Runs but poorly (10-15 FPS)
3 - Playable (16-25 FPS)
4 - Very Playable (25-40 FPS)
5 - Go crazy (40+ FPS)
Call of Duty 4: Modern Warfare - 5
Call of Duty 5: World at War - 3
Call of Duty 6: Modern Warfare 2 - 5
Counter Strike: Source - 5
Day of Defeat: Source - 5
Colin McRae: DiRT2 - 4
Grand Theft Auto 4 - 2
Left 4 Dead - 4
Left 4 Dead 2 - 4
MotoGP 2008 - 4
Need for Speed Undercover - 5
Sid Meier's Civilization 4 (All expansions) - 5
Sins of a Solar Empire (Includes Entrenchment Expansion) - 5
Star Trek DAC - 3
Star Wars Empires at War - 4
Test Drive Unlimited - 4
X3 Terran Conflict - 4
Rating scale: 1-5 (FPS Based off lowest possible graphics settings)
1 - Poor/Won't Run. (>10 FPS)
2 - Runs but poorly (10-15 FPS)
3 - Playable (16-25 FPS)
4 - Very Playable (25-40 FPS)
5 - Go crazy (40+ FPS)
Call of Duty 4: Modern Warfare - 5
Call of Duty 5: World at War - 3
Call of Duty 6: Modern Warfare 2 - 5
Counter Strike: Source - 5
Day of Defeat: Source - 5
Colin McRae: DiRT2 - 4
Grand Theft Auto 4 - 2
Left 4 Dead - 4
Left 4 Dead 2 - 4
MotoGP 2008 - 4
Need for Speed Undercover - 5
Sid Meier's Civilization 4 (All expansions) - 5
Sins of a Solar Empire (Includes Entrenchment Expansion) - 5
Star Trek DAC - 3
Star Wars Empires at War - 4
Test Drive Unlimited - 4
X3 Terran Conflict - 4
not bad^^