By Paul A. Eisenstein
If you’re even a modest automotive enthusiast, chances are you’ve caught some of the “spy shots” that pop up in print, and all over the Web. Some are grainy and as difficult to decipher as the pictures we’ve all seen of ET or the Loch Ness Monster. Others capture, in all its glory, a car, truck or crossover that might not make it to showrooms for several years to come.