Available Here :
http://www.gjcwebdesign.com/virtuemart-2.0-auspost-shipping-estimator.html (http://www.gjcwebdesign.com/virtuemart-2.0-auspost-shipping-estimator.html)
This is a stand alone module for Joomla 2.5.
It can estimate International and Domestic shipping (set in module admin)
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_standalone.png)
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_standalone_international.png)
Country list taken from VM settings
Can be used as a Cart replacement or stand alone (set in module admin)
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_no_product_list.png)
Can show full product list (set in module admin)
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_product_list.png)
Ajax update when products added or quantities altered
Takes the client address postcode or country if set
Over-ridden by the postcode text input or country selector
Letter or parcel (set in module admin)
Cheapest shipping option or selected option (set in module admin)
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_admin.png)
Postcode validation by AusPost with returned errors
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_validate.png)
Module can be cloned to provide International & Domestic
(http://www.gjcwebdesign.com/images/vm2.0_auspost_estimator_images/vm2.0_auspost_estimator_clone.png)
Most texts editable (set in module admin)
Price is €40
Needs an AusPost API Key
You can apply for the code at https://auspost.com.au/devcentre/pacpcs-registration.asp .
You must first obtain a Australia Post ID from https://id.auspost.com.au/csso/customer/registration?execution=e1s1 and use the same email address.
Now fully updated for VM3 and latest Auspost api changes
Another 100% happy customer at VM AusPost Shipping Estimator for VirtueMart (http://extensions.joomla.org/extensions/extension/extension-specific/virtuemart-extensions/vm-auspost-shipping-estimator-for-virtuemart)