Big dilemma. My mother is finally coming to visit this weekend and wants to treat us to a Chinese dinner. I have no idea where to go since I'm in Marin and am Chinese food-deprived. We'll go anywhere in the city or within a 20 mile radius. This is a family whose major topic of conversation is food and knows every place in Los Angeles, Monterey Park, San Gabriel, etc. I'd like to show that SF can compete w/ the best of the southland. Any help appreciated.