East Ocean delivers seriously good Cantonese cooking in an unassuming Walnut Creek strip mall. The dim sum holds its own against bigger city competition: plump Shu Mai, delicate shrimp and chive dumplings, and xiao long bao that arrive steaming hot. Seafood is the move here, with Salt & Pepper Calamari that's crispy outside, tender inside, and a Beef Dry Chow Fun that regulars swear by.