It’s not every day that a brand-new 58-foot performancetrawler appears on the marketplace radar, but that seems to have happened with the debut of the Duffield 58 Motoryacht. More peculiar still is that this new entry—and you may recognize her name—sporting graceful, downeast lines and a New England navy hull, comes not only from Southern California, but from the same builders of the highly successful, if not ubiquitous, Duffy electric boat. As most waterfront homeowners know, you can’t throw a Titleist very far in Newport Beach, California, or Fort Lauderdale, Florida, without hitting a Duffy or two, such is their penetration into the quiet, clean, leisure pocket-craft market. So when you think of building a 58-foot, 53,000-pound fast trawler on the heels of this business, you’d be hard-pressed to find…