Saver Delivery (usually 6-10 business days) - A$16.12 on orders under A$82.67, orders over this use "Standard Tracked Delivery" (below).
Standard Tracked Delivery (usually 3-5 business days) - A$8.16 on orders over A$248.01 (otherwise A$13.43, or A$20.25 on orders under A$82.67)
Express Courier Delivery (1-3 business days) - A$84.74 on orders over A$279.01, otherwise A$105.40
Prices may vary by a very small amount in the checkout (usually cheaper!)