This is a one off code, if anyone wants to use it to get 15% off Nikon DSLR Cameras:

Hi Gav
Your JB Hi-Fi mailing list membership now provides you with Exclusive in store offers. This week until Thursday get yourself 15% Off Nikon DSLR Cameras, simply by presenting this Exclusive Voucher at any JB Hi-Fi Store in Australia. Offer ends Thursday August 8th 2013. JB, you've done it again!