Hi menion,
Would it be possible at some stage in the future to add New Zealand Transverse Mercator 2000 (NZTM2000) projections to the 'Coordinates type' options? The NZTopo50 1:50000 scale maps are based on this system.
Here is a link to the NZ Govt site with info on NZTM2000 projection.
//http://www.linz.govt.nz/geodetic/datums-projections-heights/projections/new-zealand-transverse-mercator-2000