You're not supposed to think about shopping when you visit an art museum — and at most of the museums in the metro area, that's easy. But the Denver Art Museum put as much care into its new shop as it did its exhibit galleries, installing a veritable department store of books, cards, jewelry, glass and pottery on the first floor of the Hamilton Building. Not only are the selections in every category superb, but the shop emphatically cured the doldrums of the formerly dead space that had been a badly conceived lobby.