You're looking at an unlikely picture: two Tesla EVs on the same street. The Silicon Valley carmaker is hoping to become more mainstream, however, when it releases its Model S sedan next year to complement the exuberantly expensive Roadster 2.5. Tesla has just released photos of the latest, nearly production-ready build of the Model S to whet our appetites. The shots reveal a couple of sleek cosmetic changes to the front bumper and body panels, but mainly we're just happy to see the S rolling on schedule. Oh yes, and there's another glimpse of th