Yup, they are still out there. According to this CNN story, a man charged with removing the contents of a storage unit whose renter had allowed to go into default uncovered a very rare 1966 Shelby GT-350 and immediately shipped it off to auction. While some of the general facts regarding Shelbys are incorrect (including the $2 million value of 1966 Shelby GT-350s), the story offers a neat look at the luck some people have in finding cool old cars.
Here are some places to get the facts behind Shelby automobiles:
There are a ton of great books and other products featuring Shelbys in www.shopoldcarsweekly.com