For anyone lucky enough to live in New Zealand, Naptha is available under the Diggers brand from Bunnings.
The MSDS lists Diggers Shellite as 100% light aliphalic Naptha.
Also tried Google for One Grand Blitz Wax and there is a company who will supply it in New Zealand.
http://prubuy.nz/
The current cost is $NZ 77.98 incl delivery but I havnt tried to order it yet
The 7 piece Micro Brush Vacuum set is available at Godfreys (SKU 31150310) for $NZ 25
Cheers