Gumley Haft Kleier broker Laurel Rosenbluth deals with a one-of-a-kind listing that's bound to attract interest, but to make sure it's the right kind, she needs to find the right listing price. And Warburg agent Leslie Modell Rosenthal deals with a stressed out client, whose downsizing dreams of moving to Florida are hindering her ability to commit to buying a New York pied-a-terre.