Pros:

Very fun to blow away hordes of zombies whether it be by yourself or with your buddies.
Plenty of supplies.
Difficulty increases over time to make things more challenging.

Cons:

None.

Conclusion:

You can find endless fun in killing thousands of zombies with unlimited weapons. 

Pros:

Incredible Detail and Design
Weapons and Items are spread out nicely.
Plenty of Zombies.
Lots of fun to play with your friends.
Great Map.

Cons:

There is not more!

Conclusion:

This map is fun to play, fun to explore, and admire the work put into it by the author. If you continue making the rest of the campaign as good as the first. It will be a definite download for any Left 4 Dead 2 player.