Pros:

+P-E-R-F-E-C-T!
+Awesome campaing!
+Tons and tons of pure fun!
+Playing online is absolutely awesome!
+The ending is pure awesomeness!

Cons:

-Really???
-I didn't found more words to describe this masterpiece!

Conclusion:

In conclusion:
This is the most awesome campaing for this motherf***ing game!
Such a masterpiece!