MacWorld reports on an Apple press event today previewing a new San Francisco Apple Store. The two story structure opens on Saturday. As an added bonus, the first people in the store have the option of purchasing a mysterious $250 "Lucky Bag" full of 7 or 8 products -- all but one from Apple. The retail value of the contents... reportedly between $600 and $1000. Despite inquiries, Apple wouldn't give out any details as the contents of the bag.