i found a cool site here while I was trying to find good dynamic soaring Ds videos. I'm trying to find good videos that you can hear how fast the sail is going and see it well too.

[link=http://www.billpattersonart.com/dszone.swf]http://www.billpattersonart.com/dszone.swf[/link]
The bottom left button will take you there. arrgh full-flash site. haha.