This deal isn't going to make you race and buy something however am posting it as it might be good for someone thinking of placing an order.
Use discount code WANTBARGAIN for $20 off any order over $200 online on the DSE website. Starts Thursday, ends Sunday.
It's effectively 10% off if you only spend $200. Not earth shattering but could be worthwhile if you combine it with discounted products or stuff hard to get discounted.
UPDATED TO ADD FULL CONDITIONS OF DEAL:
WANTBARGAIN Promo Code Terms & Conditions: Spend $200 or more in a single transaction excluding freight and discounts and receive $20 off when you enter coupon code WANTBARGAIN at checkout. Valid from 07:00AM Thursday 21st July until 11:59PM AEST Sunday 24th July 2011 at www.dicksmith.com.au. Excludes Dick Smith Commercial, Wholesale or International customers. Dick Smith reserves the right to withdraw this promotion at any time. Only 1 (one) discount per transaction is permitted. Dick Smith standard terms and conditions apply.
I just got my $20 cashback for the previous paypal/dick smith deal today-
http://www.ozbargain.com.au/node/46583\
This deal looks better though since you don't have to wait for the paypal cashback like the last deal?