It sells excellent lace and embroidered items (most items are cheaper than they are in Funchal), leather goods, and a great selection of vintage Madeiran wine, with bottles dating back to last century (for a hefty price, of course).
It has a wide variety of Madeiran wine with some originating from the last century, available at an expensive price.
New York weather is very dependable, so it is very easy to make holiday plans.