I have an urge to......

A street rod would be awesome.
I've been to many shows and I say they kick butt!
This is my girlfriend's, parent's street rod:

Almost $200K invested. It's an amazing car.

Here are some good cars that offer awesome ideas. I've seen these at shows that I went to this summer.
http://img150.echo.cx/img150/4310/10009739cm.jpg
Here's an old Dodge that wasn't too expensive to build.
http://img41.echo.cx/img41/2917/10009721wi.jpg
And another Dodge.
http://img41.echo.cx/img41/8927/10009963dm.jpg