Here is the page with some of my videos from VIR's north course. I have other videos for the full course, but none from the south course. Here's a Mustang street car video for full course that has cones to help you identify the line.
http://www.elams.org/Racing/2002/VIR...mbs/Page1.html
http://www.highrpm.net/video/vir01.mpg
If you need others or need a CD, let me know.