Don't know if it fits here, but here's the first in a series of vidoes(albeit in German) about the development of the 2010 Audi R15:
http://www.youtube.com/watch?v=nz_O5_Lbzyo
The first in a series of similar vidoes(in English) about the Audi R10:
http://www.dailymotion.com/video/xy8...10-part1_sport