Article in SMH that lists three shops where you can buy pots, pans, machines, gadgets, foodstuffs, lollies, condiments etc. Have heard of Tokyo Mart a few times before. Keep meaning to check it out sometime.
Tokyo Mart - Japanese goodies
Shop 27, Northbridge Plaza, Northbridge, 9958 6860.
Leung Tim Choppers Co - Chinese goodies
198-200 Burwood Road, Burwood, 9744 1288
Saini Emporium - Indian goodies
1/910 Pittwater Road, Dee Why, 9981 1045
W: http://www.smh.com.au/news/good-living/asian-kitchenware-stores/2007/01/15/1168709669586.html