I see that BC has a "costco" thread that gets updated with food related things. Thought it would be great to have one for Ontario as products as different across regions.
I really like that Costco often carries food that isn't available at normal grocery stores. I try to limit my "new items" to one or two per shopping trip but that is often difficult!
I really enjoyed the Mountain Harvest flat breads they had but they got rid of them. I have lately been buying the "Extreme Pita" ancient flat breads (last two times I was there) and they are pretty good.
Some great cheeses lately too, I will post more details once I have tried the cheeses.
Feel free to post about kitchen gadgets/etc that may be a good deal at Costco.