You might see if you can find a cheap corvette.
They are very aerodynamic and can hold plenty of 'dude'.
Might even do a motor swap on it, find one with a bad v8,
and swap in maybe a 4-cyl.
Like here is a 94 vette for $3,000 needs engine work..
http://stlouis.craigslist.org/cto/5130138607.html