I have one on order, can you wait until mid-April? I'll be posting lots of pics then... ;-)
I also found it difficult to find any 'real' pictures. I went through a lot of dealership sites but they were all the standard marketing ones from Nissan. I just found this the other day -
Magma Red - 2013 Nissan 370Z Sport Touring Roadster - Black Interior | GTCarLot.com - Vehicle Archive #74732613