I,M GOING TO PURCHASE A 18 TO 20 FT SPORT BOAT TO BE USED FOR SKING AND JUST CRUISING MAINLY. I REALLY LIKE THE LOOKS OF THE INBOARDS BUT I'VE HEARD LOTS OF GOOD FEEDBACK ON 4 STROKE OUTBOARDS. WHICH OF THESE TWO MOTORS WILL GIVE ME THE BEST SERVICE, FUEL ECONOMY, AND LONG TERM DEPENDABILITY...