The 11th car (12 if you fix that missing Nissan Silvia picture after the 4th picture. ) is a Sileighty.

Wikipedia
A Sileighty (???????) is a Nissan 180SX with a Nissan Silvia's headlights, front fenders, hood, and front bumper installed, hence the 'Sil' in front and the 'eighty' rear.
More info after the jump.

Site 1
Site 2

There is some pretty nice eye candy there. Thanks for sharing!!!
That GTO, love it, specially if it is the VR-4 version.