Ad Jab's story yesterday, and today Ad Jab has followed through. They managed to track down the video of the heretofore largely unseen Xbox 360 commercial entitled "Stand Off." The ad is in the vein of their "Jump In" commercials, difference being this one featured gunplay.
It was withheld until the Zero Hour event when Microsoft decided to show it to a more understanding audience: gamers. Now that it's been tracked down, and even converted for users unable to access the original file, we can all enjoy it.
(Note: I was unable to view it on my Mac, but it ran fine on my Windows XP system.)