2007 Porsche 911 GT3 -- 2007 Chicago Auto Show Preview: Overkill is a beautiful thing. Here in the States, a significant proportion of drivers spend their days stuck in traffic, essentially sucking on the tailpipe of daily 9-to-5 life. We clearly don’t need fast cars that offer stellar handling. However, that doesn’t mean we don’t want them. For those who live their lives based on want and not need, and provided their bank accounts are flush with cash, Porsche offers the 2007 911 GT3. Few municipalities will put up with runs up to 193 mph, or personally verifying the claimed 4.1-second 0-60 mph time. Again, we don’t really need to be doing those types of things, but that doesn’t mean we don’t want to…