Did you think last week's trailer would be the last Grand Theft Auto IV footage you'd be seeing? Well, it's not. Here's one more. This time, the clip comes from a Gamestop video ad. You might have seen it if you've walked into a Gamestop store recently. If you haven't, then now is an excellent time to check it out. Learn even more about Liberty City: city of big dreams, beautiful women, and bold entrepreneurs.