Laguna Seca - Koni Challenge and US Sports Car Invitational

We spent the day at Laguna Seca watching the races, which is always fun. The first one we saw was the Koni Challenge, which is mostly Mustangs (FR500C) and Porsches (997 GT3), with some BMW and Nissan thrown in. That was a lot of fun to see.
The next race was the US Sports Car invitational. It was all Daytona Prototypes and actually wasn't as fun to watch, though they are pretty cool cars.