This 1989 Z28 IROC 1LE only has 1,900 miles on it and they were asking right around/under $20,000 and it doesn't quite have any annoying signatures on it. If your ever in Las Vegas in the near future, it's on display in the Imperial Palace Auto Collection which is worth checking out.
http://autocollections.com/index.cfm...car,year&sr=21