Design editor Wendy Goodman travels up and down, east and west to find the new, the beautiful, the interesting, and the amazing. This week, she found condos in Harlem that have the elegance of the Old World and the Bosch appliances of the New, does a little early holiday shopping with boutique owner Arleen Bowman, pops in to see some pop-top garbage cans, and runs her hand over the lustrous fabrics of the husband-and-wife duo Sachin and Babi.