azfordman,
You first need to decide if you want a new or a used cobra. There 244 list for sale on this site alone and more listed under Shelby on
Classic Cars Photo Classified Ads. You'll get more for your money buying one of these great used cobras that have been dialed in. Go with one the is titled as a 1965 or 1966 to avoid title problems. You really won't know exactly what you want until you have owned 2 two or three. They're so much fun that want ever you get you'll just love it. Go buy one and Good Luck