With Circline, his four-year-old company, Sean Most has put a network of over 700 of the world's most reputable fine-arts and antiques dealers at the collector's or decorator's fingertips. The site, www.circline.com, displays photos and details of high-end antiques and art works available on four continents. Security is guaranteed, as each dealer must sign a certificate of authenticity. The customer pays for shipping, but each item is fully refundable for any reason within three days of receipt. Circline will provide the location of an item if you plan to visit that city. Prices average $33,000.