Read about this supermarket @ epicurious last year :); added it to markets to visit when I get out on the road:
http://www.epicurious.com/expert-advice/the-best-grocery-store-in-america-is-heb-articleAnd here is a link to a list of the 30 odd best supermarket chains in the USA based on one website's criteria. HEB made it as well as regional to me favs Food Bazaar, Stop and Shop, and Stew Leonard's:
http://www.thedailymeal.com/cook/americas-best-supermarkets-slideshow/slide-31It's slightly outdated because I know A and P went bankrupt last year or maybe the year before and thus names like Food Emporium, Pathmark's and even the venerable A+P have bit the dust:(.