Originally Posted by atx370z

Revisions for 2011 include:

* Rear View Monitor added to Navigation Package (370Z Touring)
* One new exterior color: Gun Metallic
* Gatling Guns
* Cloaking device


Source: Details on 2011 Nissan GT-R, 370Z | Automotive.com Blog & Enthusiast Discussions

Not sure how reliable the source is, but seems legit. I wouldn't imagine they would change too much seeing as the 370 is only going on it's third year.