[smuzz]

Well, it would seem that as we thought, pricing at the shop will be comparable to the online/warehouse pricing (it couldn't be much different really).
If you go to the HK website and then to the pages that show the Aussie warehouse items, you'll notice on many of them as you scroll down the page that there's a little icon indicating that the item is available at the Caringbah store, with no mention of an alternative cost.
Here's an example ...
   
So, all we need is for them to actually open up for trade and then summon the strength to fight our way through the throngs!