juz browsing threw the net and found this site they start at 8k usd ,, any design u want custom built video explains it self
http://www.quadkillers.com/Demo Videos/yellow_quad.mpg
http://www.quadkillers.com/Demo Videos/yellow_quad_racing.wmv
http://www.quadkillers.com/Racing Videos/quad_racing_1.wmv
http://www.quadkillers.com/Demo Videos/quad_demo_1.wmv
YouTube - The Quad Killer
Enjoy
http://www.quadkillers.com/Demo Videos/yellow_quad.mpg
http://www.quadkillers.com/Demo Videos/yellow_quad_racing.wmv
http://www.quadkillers.com/Racing Videos/quad_racing_1.wmv
http://www.quadkillers.com/Demo Videos/quad_demo_1.wmv
YouTube - The Quad Killer
Enjoy