Raspberry - yes costs lower than from O/seas but still has to be shipped, I presume, to Marsden. Not sure that we suffering motorists get the benefit of the freight savings as from memory the price is set using Singapore market.
In National BusinessReview as top story
http://www.nbr.co.nz/article/drilling-starts-exploration-well-near-amberley#Scene_1
Salty the today article link is http://www.stuff.co.nz/4518383a6430.html