A few months ago I took the S7 to the track to go head to head with a bunch of cars in a Popular Mechanics Magazine test. The magazine just came out a few weeks ago and here is the online version of it.
S7 took everyone
http://www.popularmechanics.com/auto...tion_nation_2/
A practice run I filmed with my (picture camera)
http://www.wwwdezignz.com/mike/S7-06.AVI