At a certain point, Fallon becomes the first person outside of Naughty Dog to ever play the upcoming title. As Fallon struggled to aim his weapon (and even walk at one point), you could almost sense PR handlers tensing up and hyperventilating.
Also hyperventilating? Everyone who owns--or is about to own--a PlayStation 3, because we all want to get our hands on Drake's latest adventure. As soon as possible! November 1, 2011, is too far away.