Because of its high position, guttering is the hardest part of the home to maintain. Not to mention it is also very dangerous (our hospitals are full of weekend warriors that have fallen off roofs cleaning gutters). In a lot of cases, the roof is too close to the gutter making it extremely difficult to get your hand in there to clean all the leaves and other muck.
The Prestige full gutter system has been designed so that leaves blow off when dry therefore no debris can enter the PVC gutter. The only maintenance being a quick hose off or blow off with blower depending on the level of wind and the type of tree