Arcadia Yachts just launched its second Sherpa XL, a creative cruiser with lots of light-filled spaces on all three decks. The Italian builder worked with Hot Lab, the Milan-based design studio, to create a new look for the new 79-foot yacht. Ugo Pellegrino, the sole director of Arcadia, says the new Sherpa “is perfect not just for owners who want to use it for day cruising with all the guests they desire, but also for people who want to experience a long cruise with very high levels of service, embracing the ‘slow yachting’ philosophy that Arcadia itself introduced ten years…