You can use AMEX with SNIIP........ 1.5% incl of GST for full points. Mine gives me 1.25 points per $.
1st choice is Australia Post Bill Pay with PAYPAL linked to AMEX
Then Qantas M/C
When maxed for month at full points I use St George Visa
If I can BPAY I use SNIIP @ 1.5 % inc
If I can't I...