From an email Vodafone sent me:
From tomorrow, 6th November, any prepaid customer with the right device will be able to access Vodafone’s superfast wide-band 4G network. Last month existing prepaid customers were invited to join the Vodafone’s 4G network.
There’s never been a better time to get out of that smelly phone contract and go pre-paid. Use the Vodafone funny-money credit to get up to 9.2GB of data a month for only $30. Even Telstra has some weird pre-paid stuff going on that’s better value than their contracts. James wrote about it previously.