Not exactly a credit card, but could be used for Stoozing if you're planing on purchasing at least $2,500 worth from Dick Smith and can get the current highest savings interest rate of 4.76%: Best interest rate for instant access cash savings in Australia - however that's only for 4 months... You need to be able to earn at least $94.80 in interest for the purchase period as that's how much Dick Smith will be charging for the 12 months interest free.

To make this stooze worth while you'd probably want to spend $3000 and have the same in the RaboDirect savings account, you get 4.76% for the first 4 months, earning= $47.60, then for the next 8 months RaboDirect are currently offering 3.5% = $70, with a total interest for 12 months of $117.60, only earning $22.80.

Obviously interest rates may (probably) go down in that time and there's other options to make a little more by moving your savings to Rams or ING Direct to get 4.76% or 4.75% for a bit longer. In the end this is only really worth it if you're buying a lot and you're probably better off going with a long term interest free credit card where there's no fees, find the best one here: The longest interest free period for new spending with a credit card in Australia

Interest Free Finance
Don't wait! Get 12 months interest free with no deposit* on all purchases $300 and over.

Interest free finance allows you to purchase the technology you've always wanted today and spread the repayments over a longer period of time. With easy to manage weekly, fortnightly or monthly repayments - apply today!
It's really simple:
1. Select your nearest Dick Smith store
2. Apply online in minutes
3. Receive the decision via SMS
4. Then visit your selected Dick Smith store to sign your documents and select your goods
Apply Now
*Available on purchases over $300 to approved customers for limited periods only. Minimum monthly repayments of 3% or $30 whichever is greater are required, paying only the minimum repayment will not finalise your loan within the interest free period. Interest is payable on expiry of the Interest Free Period and will accrue interest at the standard interest rate currently 25.9% p.a. Lending Criteria, Fees and Charges apply including a $60 application fee and account keeping fee, currently $2.90 per month. Further Terms &
Conditions apply and are contained in the Lombard Visa Card Conditions of Use and product schedule. Credit is provided by Lombard Finance Pty Ltd (ABN 31 099 651 877), Australian Credit Licence number 247415.

See more about it here: Interest Free