Circle Asia fares aren't really a significantly better deal than Circle Pacific, but they do vary by country of origin. IIRC, Japan, Australia, and Singapore are about the cheapest.

There are 2 tiers, 15,000 miles and 18,000 miles, and I seem to remember the 15k mile tier being around US$2000 in economy and US$3700 in business, originating from NRT. You can look up the prices ex-NZ on a link in the *A forum, but they're higher than these.

I wrote down several of the prices back when I was looking into getting one of these fares a few months ago, but don't have them with me here at the office...feel free to PM me and I can follow up later.