One afternoon this week the first floor, hotspot for the world's most sought-after labels in the Eighties, was all but deserted. It felt a sad, unhappening place, patrolled by personnel more interested in gossiping than helping a customer like me. "Where are the evening frocks?" I pleaded. "Oh", came the reply, "Everyone does bits and bobs." So I followed her vague wave of the hand - down the escalator and out of the door.