* Whole Foods bet big on prepared food; about 1/4 of our local Whole Foods is essentially a food court.
* Whole Foods has a sort of Trader Joe's phenomenon where the place is gradually filling up with house brand stuff. But unlike TJ's, WF's house brands aren't relabeled good outside brands; they're mostly pretty bad, and WF tends to carry them to the exclusion of any other product, so I can get 5 different kinds of chicken stock at a big chain grocer and just WF's house brand at WF.
Things Whole Foods in Chicagoland is better at than other grocers:
* Meat.
* Seasonal vegetables; no other grocer is going to carry ramps this May.
* Cheese.
* A decent house-brand olive oil.
I think that's it.