Future Collectible Cars

Over at Jalopnik, Matt H. asks, "What's the best cheap future collector car?"

My answer: something like a Mustang GT, or Chevrolet Camaro, or Dodge Challenger, running a V8.  Even a Pontiac G8.

Because when NHTSA, EPA, and CARB's CO2 and fuel economy regulations kick in full bore, only rich guys will be able to afford a good fashioned American V8.  Naturally aspirated, big displacement, big torque.