My top should-haves:

1) Ford Mustang I concept


2)Ford GT90


3) Mercury Messenger


4) Chrylser Chronos


5) Chevy Mako Shark Vette:


There is one concept from Ford & Ghia that looked like a cross between a Gremlin and one of those Beetles with a fake radiator grill up front. If anyone can find a pic of that little monstrosity, I'd love to see it. I think it actually had louvres in the hood