These guys are doing a 3 day 'price massacre' on Sigma lenses.
Plenty are discounted but I can confirm the lens I've been wanting (17-50mm F2.8) is the best I've ever seen it, plus it's local stock and comes with 2yr CR Kennedy warranty. Best from Hong Kong is $580 but it's often nearer $650 and $750 at Teds Cameras.
Using above code gets $10 off so brings it to $526. Deliver is about $18 or you can pick up from near Harbour Town on the Gold Coast, QLD.
17-50mm f2.8 http://www.camerasdirect.com.au/sigma-17-50mm-f-2-8-ex-dc-os…
35mm f/1.4 is $777 ($767 with code) http://www.camerasdirect.com.au/sigma-35mm-f-1-4-dg-hsm-a1-l…
They seem to be cheaper than this earlier post http://www.ozbargain.com.au/node/106014
http://www.camerasdirect.com.au/tamron-af-17-50mm-f-2-8-di-i…
good option if you dont wanna pay for the sigma (and to be frank, the difference is specious)
$699 for the 18-35 f1.8