Good quality chocolate (everyone's version of quality is different). In fact I get a nice one from Aldi that is not too expensive.
Coffee
Cereal
Yoghurt..I don't normally like yoghurt so I tried to find one I would eat. Love the Gippsland Organic one and Jalna.
Icecream
Toilet Paper- even when I go to Costco I try and get 3ply.
Soy Sauce

Well...really I tend to picky on alot of grocery items. I would rather go without than change to another brand that I don't like.