The second United States Grand Prix at Austin is upon us. Despite concerns over another Sebastian Vettel/Red Bull walkover, there is a great deal to be excited about this weekend. The return of an old favourite, a huge battle for honour (and money!) in the constructors? championship and the need for drivers to impress for next season means this weekend packs a lot more intrigue than you may think on the surface. At the front of the field and the back, and pretty much in every team in between, there is something to play for at Austin.