Here's a side-by-side comparison of an event I did last year vs the HOD event:
http://www.youtubemultiplier.com/5227ad19cc38d-laguna-seca-mustang-comparison-before-and-after-lc.php
http://www.youtubemultiplier.com/5227ad19cc38d-laguna-seca-mustang-comparison-before-and-after-lc.php