The Gumball Rally movie had a couple Shelby Cobras that made an impression on a lot of kids when the movie was first released

CSX 3243 was one,

the other, CSX 3255

Above images from http://talk.cobraregistry.com/showthread.php?477-Most-Significant-Cobra  and  http://www.pistonheads.com/gassing/topic.asp?t=782242

Another original owner Cobra I was just was told about, CSX 3170, Bruce Cambern's 427 1966. He won the 2009 Optima Challenge with it

http://www.solomatters.com/scca_classic_american_muscle_invitational_challengers_announced

http://www.superchevy.com/events/1004chp-2009-optima-ultimate-street-car-challenge/optima-street-car-final-results-ridetech-autocross-winner.html

Full gallery at http://www.norcal-cobras.com/cobra_pictures/Bruce_Camberns-427/