Pros:

-Excellent atmosphere
-Stunning level design
-Genuinely challenging to play through
-Clever placement of resources makes it play and feel more real
-Challenging ending

Cons:

-Some glitches i.e. missing collusion boxes
-Lack of melee weapons (but this adds to the effect)

Conclusion:

Truly excellent map. Will provide even the best players a challenge. Will have you playing to the bitter end.