This is probably old to many of you, but I thought it was very cool. You really get an idea as to how much effort goes into something like this on the driver's part.
http://www.autoblog.com/2010/06/09/video-2011-wrx-sti-sedan-runs-ring-in-7-55-quickest-ever-for/
http://www.autoblog.com/2010/06/09/video-2011-wrx-sti-sedan-runs-ring-in-7-55-quickest-ever-for/