I have a friend who has an S13 and has mentioned selling it. His is already pretty modified, though...paint job, SR20DET swap, 18" rims...I think he has it on a webpage...
http://www.xatracing.com/store/popup_image.php/pID/696
Kind of cheap pic. If you have MySpace, his page is myspace.com/cbg10nwa. He has pics of the car on there.
Gotta go for now, but
[email protected] is my email if you need anything else.