Darth Vader's TIE Fighter: it retains the terrible cockpit visibility and firepower of the original but at least has a better powerplant. Its pilot would have to truly be the master of an extrasensory force to survive in a dogfight.
sabre class star destroyer - Google Search
Legacy Class Star Destroyer. This probably isn't canon, but I like the way it visually bridges the gap between the Venator and Imperator classes.