http://www.carmagazine.co.uk/Video/Search-Results/Video/Features/Nissan-GT-R-vs-Porsche-911-Turbo---part-one/ Part 2 comes out tomorrow.
This is the Part 2 I found. http://www.carmagazine.co.uk/Video/Search-Results/Video/Features/Nissan-GT-R-blasts-around-Rockingham/
From judging the reviewer's facial expressions and responses: Exceptionally bland and uninvolving way to go exceptionally fast.