If you plan to visit NZ, here is a video I have made to show you how simple it is to install a free New Zealand GPS map on your Garmin Device.
4 files to be downloaded:
NZ Open GPS Project: http://nzopengps.org/
Garmin Training Center software (Updated link): http://www8.garmin.com/support/download_details.jsp?id=5293
Garmin MapSource software: http://www8.garmin.com/support/download_details.jsp?id=209
Garmin MapInstall software: https://www8.garmin.com/support/download_details.jsp?id=3291
Duration : 0:5:15