I think that's the coupe. It's a very old picture. It was taken waay before the 370Z was released in the US. I saw it in a Japanese Blog as 370Zs were leaving for the states from Japan.
370Z Roadster:
http://www.the370z.com/nissan-370z-p...-4-7-09-a.html
Nismo 370Z:
http://www.the370z.com/nissan-370z-p...4-07-09-a.html