In the living room of a West Hollywood house, the mantel and coffee table display designer Mark D. Sikes's passions: boxes, books, and art from China and Paris flea markets. "When I see an empty table, I shudder a bit," he says. "There are times when minimalism can be the right thing. A table with one vase of flowers and one little accessory is thoughtful, while a gorgeous table with copies of Us and People magazines just looks neglectful."