Saver Delivery (usually 6-10 business days) - A$15.34 on orders under A$78.65, orders over this use "Standard Tracked Delivery" (below).
Standard Tracked Delivery (usually 3-5 business days) - A$7.77 on orders over A$235.96 (otherwise A$12.78, or A$19.27 on orders under A$78.65)
Express Courier Delivery (1-3 business days) - A$60.96 on orders under A$265.45, otherwise A$80.62
Prices may vary by a very small amount in the checkout (usually cheaper!)