LP560 vids from the Vegas launch
 

Not much action, but there doesn't seem to be many unofficial clips out there right now...

http://www.speedandmotion.com/pages/LP560/index.html

There's some other nice vids as well, like:

Reventon @ Vegas showroom - more artistic than tech. though (check out the Veyrons & S7 in the background):

http://www.speedandmotion.com/pages/.../reventon.html

Gallardo Spyder tt (850 whp):

http://heffner.speedandmotion.com/

Good video and sound quality too, so crank it up!