Cities like San Francisco are comprised of many distinctive shopping areas, each anchoring a neighborhood with unique characteristics. Sustaining these pockets of commerce is no small feat, and insufficient parking is a significant challenge they all seem to face. Who hasn't thought twice about a trip to the local single screen movie house when finding a parking spot is factored into the decision? Local shopkeepers have more than just parking to worry about in the ongoing retail wars against strip malls and big-box retailers like Best Buy and Wal-Mart. Which San Francisco neighborhood do you consider to be especially parking deprived?