This is what I use daily at the moment. $229 is not cheapest price ever, but it's good enough if you were planning to get one.
Although it's from Vodafone, it's not actually locked to the Vodafone network, it works on 2degrees as well (needs APN update). But it won't work on Spark / Skinny
Pricespy: http://pricespy.co.nz/product.php?pu=3216215
Full specs: http://www.gsmarena.com/vodafone_smart_ultra_6-7313.php
can always try warehouse stationery to beat it by 5%