Hello everybody I have started a Car Modellers Group for you automotive enthusiasts who like to model and render cars in blender 
We can show off new work, get critiques and feedback, and hang out and talk cars and blender.
consider this a personal invitation to join, and I hope to see you and your awesome renders soon,
ctdabomb
P.S. in case you missed the link: http://blenderartists.org/forum/group.php?groupid=40