> I have found a few by googling however for ftp://debian.co.nz: a password is > required - can anyone assist?
Use http, not ftp ... http://ftp.nz.debian.org (This is also known as ftp.citylink.co.nz :-) In your /etc/apt/sources.list use deb http://ftp.nz.debian.org/debian stable main contrib non-free deb http://ftp.nz.debian.org/debian-non-US stable/non-US main contrib non-free deb http://security.debian.org stable/updates main contrib non-free
