Most public holidays, the excellent publication Broadsheet kindly creates a list of venues across town that will be trading. At the time of writing, this year's list only seem to cater for Melbourne and Sydney (as per their website currently), but if you're in one of those cities and, like me, will require caffeination and at least one brunch hit while the Easter Bunny's in town, check it out.
Broadsheet 2013: Who's Open Over Easter
Melbourne
Sydney
Broadsheet 2013: Who's Open Over Easter
Melbourne
Sydney