I rather like these on the track commentary videos. It almost feels if you are out there with them.
http://www.motortrend.com/av/roadtests/112_0707_infiniti_g37_2007_bmw_335i_comparison/
http://www.motortrend.com/av/roadtests/112_0707_infiniti_g37_2007_bmw_335i_comparison_part_2/
Looks like a fun job.