Sake from SuperSake will soon be available at Blackhearts & Sparrows liquor stores. So if you want to buy sake in Melbourne, and you don't want to wait, just go to your nearest Blackhearts & Sparrows store and pick some up.
The store locations can be found here ...
If you want to buy sake in Sydney we are sad to say that they don't have any stores there (yet). But you can still order on-line. We deliver to Sydney no problems. (Adelaide, Hobart, Darwin, in fact anywhere in Australia).