There are two guys that sell them on EBAY all the time durangodesign and whitegaugeguy. Each says theirs are better.
http://cgi.ebay.com/ebaymotors/ws/eBayIS...sspagename=WDVW
and
http://cgi.ebay.com/ebaymotors/ws/eBayIS...sspagename=WDVW

Anyone who has tried either one please post comments.