Jake (Modelman) was nice enough to donate a driver's door that went underwater in Katrina. Took some phosphoric acid-based stuff to it and look at the results:

http://noladishu.blogspot.com/2009/02/project-truck-update-polishing-turd.html

http://noladishu.blogspot.com/2009/02/project-truck-update-polishing-turd_01.html

http://noladishu.blogspot.com/2009/02/project-truck-update-can-you-pick-door.html

http://noladishu.blogspot.com/2009/03/project-truck-update-door-painting.html

It's not perfect. If you get close, you can see the imperfections, but it will do for now until I find something better.