Apple is currently in the process of launching iTunes Match for Australia with links now going live with a subscription costing $34.99 a year.
iTunes Match allows you to store your Music in your iCloud account allowing you to download your Music from your iCloud account from your devices such as iPhone, iPad, Apple TV. (iOS 5 required).
iTunes Match Cost – Australia
Subscription is $34.99 a year
How to get iTunes Match?
When apple has fully rolled out iTunes Match I will post steps. You may be able to subscribe through this link >>