Before 2014 closes, the Australian government is proposing to impose a GST (similar to the UK's VAT) on purchases made online. Currently there is no GST applicable on purchases under $1000, but the newly appointed Assistant-Treasurer: Josh Frydenberg desires to also lower this $1000 threshold.
Whatever transpires, I am assuming online purchases will still workout cheaper, as opposed to conventional stores (although, that may be open to debate)
This whole debate on GST applying to online purchases initiated from Australia has arisen from intense lobbying by Gerry Harvey (the owner of the large Harvey Norman, and Joyce Mayne franchise of electrical stores across Australia)
Gerry Harvey has been a staunch opponent of overseas purchases made online (one of Gerry Harvey's memorable quotes was: "online retailing is a complete waste of time")
Click-on the link below to view article on Josh Frydenberg's proposal: