FREE OPTUS $4.00 Prepaid Sim..
Hurry! For a short time only you can get connected to Australia's No. 1 Pre-Paid Mobile Provider for FREE. Optus will send you a $4 Mobile SIM card FREE of charge. All you need to do is enter your details on the landing page and pick up the SIM card from your local post-office (you'll receive a notification card in the mail).
Click here for Optus SIM