Pros:

-Great intro.
-Very little lag.
-As another review said, the witch in the first building could have a little story to it.
-Thrown into the campaign fast.
-Well scattered weapons/supplies.

Cons:

-Lack of tanks! (-2)
-Can easily get lost. (-3)
-Dull rush scenarios. (-3)

Conclusion:

-Overall, fantastic campaign, could think it was made by Valve themselves! Great job!!