I think they are pretty cool. You dont see them very often, they are pretty unique. I got the kit as a gift last year. It is a high price tag for a small change. It definitely draws some attention to the car. Literally FIVE minutes after i hit the road after the install, i had another mustang driver ask me where i got them. I have the "chase" feature on my 2001.
looks like this:
http://youtube.com/watch?v=FWiaFJ9lAj8&feature=related