The sheet metal sold in Australia comes out of Taiwan. Some Taiwan companies (like Kings) advertise as shipping worldwide. See
http://google.com/search?q=65100-H1000Be aware that these panels are reportedly not as good as genuine Nissan (which are still available out of Japan and expensive). The Chinese panels need some adjustment to install, as if they were made with worn out press dies ... but they are inexpensive
also see
suppliers for two examples

* DT20-013-0 DATSUN 1200 -73 FRT APRON LOWER
* DT20-015-0 DATSUN 1200 BONNET (Sedan / Ute)
* DT20-016-1 DATSUN 1200 FR GUARD RH (Sedan / Ute)
* DT20-016-2 DATSUN 1200 FR GUARD LH (Sedan / Ute)
* DT20-077-0 DATSUN 1200 TAILGATE
The sedan door parts are four 4-dr sedan (short doors). The 2-door sedan needs a long door, the coupe door will work if the window frame is swapped. I dunno if anyone make long doors nowadays. The short doors were made until 2007, long doors until 1975