BFSAVE40
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Seems to be the cheapest offer for PIA ever seen on Cheapies.
3 Years 3 Years $46.40 USD (~$68 NZD), 5 Years $70.40 USD (~$103 NZD).
Also a 2 years subscription is available but the best bang for your buck is the 5 years deal.
Use a card with no XE fees.