Tommorrow's Sunday Chronicle Magazine has a long article by Olivia Wu on regional Chinese cusines and restaurants in the Bay Area. I'd attach a link but the Chronicle website is having technical problems at the moment.
There's a sidebar about Jai Yun in San Francisco Chinatown, which sounds absolutely fabulous. To my untutored eye, the whole article looked pretty good. I recognized some names from Chowhound and there was a real geographic spread from Walnut Creek to San Jose. What do other people think?