Ben,
Slipstream concaved - 18x10 ET35 & 18x9 ET35
http://img.photobucket.com/albums/v2...8x10ET35-1.jpg
http://img.photobucket.com/albums/v2...8x10ET35-2.jpg
http://img.photobucket.com/albums/v2...8x10ET35-3.jpg
Chucked on an S15 I grabbed off the net :)
http://img.photobucket.com/albums/v2...8x10ET35-4.jpg
http://img.photobucket.com/albums/v2...8x10ET35-5.jpg