rb99: Bought a Samsung 850 500Gb from Amazon for $161.98 and saw today its now $147.99. Just asked if there was any chance of a refund for the difference and they said OK, so am getting $13.99 US back - and that's for something bought on the 6th. Pretty impressive I think. Don't think there's any guarantees after 7 days though.
Thanks for the tip. I've flicked them an email via their customer service area and am hoping for the best.