I needed to visit an Apple Retail Store recently to replace my laptop's battery, which emptied unexpectedly after only about four months. To my surprise, there's now a location in Pleasanton's Stoneridge Mall. But it seems even Stoneridge doesn't know much about the store, based on their description:

The Mills Properties

Talk to a Macintock genius at our Genius Bar or watch a demonstration of Mac OX X; the revolutionary new operating system, on a giant 10 foot diagonal screen.