GPTCorner is a brand new reward site. Get 10 points signup bonus when you join (1 point=$0.01) and 10% of you what your referrals earn; Minimum payout is only $1/100 points and Payments are made biweekly via Paypal.
Reward Central is the #1 loyalty program in Australia. Members can Earn cash for completing surveys and offers. Free to join, you can also find great deals on their site.