Amazon has a Samsung Fit 128GB USB 3.0 drive (Product code MUF-128BB/AM) on sale with shipping available to NZ, sale price is $28.99 USD, once you add shipping to NZ, which is really cheap ($7 NZD approx) it totals to around $46.75 NZD delivered, almost half of the lowest local price of $85 NZD.
Lowest price on PriceSpy approx $85 (http://pricespy.co.nz/product.php?p=3353089)
CamelCamelCamel price history for Amazon: http://camelcamelcamel.com/Samsung-128GB-Flash-MUF-128BB-AM/…
Original deal credit to Vadnart on Slickdeals: http://slickdeals.net/f/8912975-128gb-samsung-fit-usb-3-0-fl…
Doesn't this require Amazon prime?