What's Your Favorite Summer Motorsport?

We're starting to enter the gravy months of racing when nearly every series has something going on every weekend. Whether you're a participant, a spectator or you just enjoy the track from your TiVo, it is a great time to be a racing fan. But with this embarrassment of octane-fueled riches, what occupies your time? Do… » 6/06/08 11:40am 6/06/08 11:40am