A UK site called Electricpig has posted a full video walkthrough of her majesty's latest Apple Store, which opened just recently in London's Covent Garden. The place is gigantic -- while all we get of the main sale area is a high-speed walkthrough, you can tell it's huge, with multiple rooms and areas for each of Apple's device lines. There are not one but two glass staircases, one spiral and one square, and as the vi