Saver Delivery (usually 6-10 business days) - $8.63 on orders under $53.12, orders over this use "Standard Tracked Delivery" (below).
Standard Tracked Delivery (usually 3-5 business days) - $4.52 on orders over $159.37 (otherwise $6.64, or $8.63 on orders under $53.12)
Express Courier Delivery (1-3 business days) - $53.12
Prices may vary by a very small amount in the checkout (usually cheaper!)