Selecting card is very dependant on your annual spend.
For high spend, have a look at NAB Qantas Platinum Card. This card will cost $290 a year, but is uncapped and gives you a Visa Card and an Amex Card. Visa will earn 2 QFF points per $3 spend and Amex will earn 1.5 QFF points per $1.
If Amex is not going to be a big part of your spend, then a previous post suggested the CitiBusiness Card. My brother in law ,, got one for himself and one in my sisters name - costing him a total $260 a year. This maximizes the points earn at 1.25 points per $1.
Citi Plat card only earns 1 point per $1. and points can only be sent to Qantas,whereas the CitiBusiness Card , from memory can be sent to Virgin as well as Qantas ( I amy be wrong on this bit)