the NAB Amex ANT card is the best deal out there at the moment - 2 points per A$1. Includes comprehensive international travel insurance. $148 p.a. The offer of 2 points per A$1 is valid until june or july 05.
the amex rewards maximiser 1.5 points per A$1 does not include travel insurance and is $144 p.a. annual fee waived for the first year -
www.americanexpress.com.au/1styearfree or something
www.americanexpress.com.au/1styrfree