As I said, I did enjoy Cars 2, I mean it's not really a bad movie (and let's face it, there are worse animated movies out there), it's still enjoyable and you guys need to get out of the Pixar-must-always-break-ground-with-every-film mindset.
However I must admit, it would have been better if it focused more on Lightning McQueen and the international racing and the spy plot could have been better off as a 30-minutes or half-hour episode/special of Mater's Tall Tales and then turn it into a spin-off like they did with Planes (you know kinda how we were first introduced to Propwash Junction, Skipper Riley and Sparky through the short Air Mater