Brand New Lightning Lap (Part 2)
 

Car and Driver did another one ... with mostly new cars. There is no RX8, but you can compare from last year.

2007
http://www.caranddriver.com/features...-lap-2007.html

2006
http://www.caranddriver.com/features...tning-lap.html

It was a good article.

Gotta love that Lotus!