No offence but I think everybody here apart from mike is crazy! This is the most perfect, polished, best looking, and fun game ever!
Lets go through the good points:
1) Graphics- stunning
2) Lighting- superb
3) Physics- best thing about the game (I spent the forst 30 minutes of the game throwing a can at one of the guards)
4) Music- spot on
5) Gravity Gun- Best weapon in the history of all weapons..ever!
6) Storyline- Original
7) Gameplay- Intense and fun!

Bad points:
1) Loading times....
2) The G-man... God I hate that guy!