http://maps.google.com/maps?f=q&hl=...25&z=15&om=1&layer=c&cbll=25.771452,-80.13263 Click on the little yellow person... Drag the person any where on the blue lines! Its only for a few cities right now.
Amazon was working on this a while back... I remember them paying people with credit at amazon.com for help identifying store fronts etc.
Any clue what other cities have it? Edit: After a quick search through major cities, New York was the only other one I came up with. Edit part deux: and Denver Edit x3: and Mountain View (Google HQ)