The automotive world these days seems divided into two camps. In one is the green crowd, who tout hybrids, alternative fuels, electric cars, and numerous other technologies designed to reduce the impact cars have on the environment, albeit at the expense of fun. In the other camp are performance extremists, who don't care one whit about green issues if they get in the way of maximum performance. This latter camp is maybe not quite so responsible, but really, who would you rather party with: the guy driving a Prius or a Porsche? To that end, and to help you fill out that guest list, here is a roll call of the hottest sports cars and sports coupes coming our way in the next year—and a few of them are already here.