Ok, now I don't do huge drops, but to me the guys on these things are taking it to a different level...
Most I've done is about a 6ft, and that was with suspension, there's no suspension on these guys rides. Just thought I'd share what I found in my bordom at work
http://www.mountainboard.com/gallery/img18.htm
http://www.mountainboard.com/gallery/img61.htm
http://www.mountainboard.com/gallery/img21.htm