Pros:

great details
custom music 
custom sound
good intro
cutscenes
i really like how the tank was spawned the later maps.
instructions given via radio - funny+awesome

Cons:

finale was a tad hard for me
i cant shoot the the dancing security guard (receptionist?) :(

Conclusion:

i hate playing 'in buildings' maps but this one... i like...
one of the best campaigns i've played so far.