Everyone makes this car sound like its the best there ever was. Its not.
I would like to see both the GTR and the Z06 on the same tires, at the same track, on the same day, with the same driver. I've seen a stock C6Z06 on road atlanta with race tires and im here to tell you, the GTR wont keep up. Anyone that has done trackdays when a vette is on the track with a good driver can tell you, it just wont happen.
The way I look at it is that the Z06 is a street legal race car and the Nissan is just a hall ass street car.
I will get a full comparison of the two up sometime (unless someone else wants to) just to show the differences between the two.