Nissan GT-R Nordschleife 7:38 lap video
Sorry if off-topic post... but the GT-R is supposed to be a direct competitor (performance wise) to the 997 Turbo, and based on this, it seems that Nissan have a strong challenger.
http://www.youtube.com/watch?v=uGe_fyhQazg
http://www.youtube.com/watch?v=uGe_fyhQazg