By Jessica Guynn, Contra Costa Times, Walnut Creek, Calif. Knight Ridder/Tribune Business News
Apr. 11--There's now a here here.
To the west, shoppers sample Far East fare, from marinated pig's ears to tapioca pearl tea at Richmond's Pacific East Mall. They peruse peridot platters and teak-slat lawn chairs in Berkeley's post-industrial-hip Fourth Street and sling Coach leather purses and Pottery Barn shopping bags along Emeryville's open-air Bay Street.
About 30 miles away, rising affluence is transforming the Antioch and Pittsburg area as n