Saver Delivery (usually 6-10 business days) - A$15.52 on orders under A$79.56, orders over this use "Standard Tracked Delivery" (below).
Standard Tracked Delivery (usually 3-5 business days) - A$7.86 on orders over A$238.69 (otherwise A$12.93, or A$19.49 on orders under A$79.56)
Express Courier Delivery (1-3 business days) - A$61.66 on orders under A$268.53, otherwise A$81.55
Prices may vary by a very small amount in the checkout (usually cheaper!)