The original Modern Warfare (AKA Call of Duty 4), was the first title in the CoD series to stray from the battles surrounding WWII. It was also the first CoD title to receive a 'Mature' rating from the ESRB (rather than Teen, like the previous iterations). It was a welcome change of venue, and the arrival of Modern Warfare 2 has been eagerly anticipated. Does it live up to the hype? Let's take a look.