HIT4TEN
Dick Smith offers $10 off orders of $50 or more with code HIT4TEN. Doesn't seem to work on the Chromecast.
Terms and Conditions: Limited to the first 100 customers only. Valid from 1pm - 11:59pm NZT on Tuesday 20th January 2015 unless sold out prior at www.dicksmith.co.nz only. Excludes Dick Smith Commercial, Wholesale or International customers. Not to be used in conjunction with Woolworths Discount. Dick Smith reserves the right to withdraw this promotion at any time. Only 1 (one) discount per transaction per customer is permitted. Excludes Fit Bit and Kindle branded products, Apple iPhone 6, Prepaid Mobile Products, Calling Cards, iTunes and App Store Gift Cards, Dick Smith Gift Cards, Xbox Live and PSN Cards, and Gaming Accessories.
good discount.