Parker just launched its new 34-foot Sorrento, a versatile outboard-powered sport cruiser with an innovative second cabin located all the way aft. Parker is a proud Polish builder that traces its roots back to 1886. Its modern incarnation dates to the early 1970s. It now makes 12 models of family boats that have won prizes in Europe and are popular there. It unveiled the new Sorrento at the Düsseldorf show in January. You can order the Sorrento with twin outboards up to a total of 700 hp. With standard twin 300-hp Mercury outboards, it tops out at 46 knots; with…