They make great systems and terrrrible interfaces. Their front-end is almost always a mess.
EDIT: Also @flappy you hold your tongue sir about the glorious gift from the gaming lords that is Dragon's Dogma: Dark Arisen.. If only more games aspired to be even half of what that game is we'd all live in a happier gaming world.
I don't know about that anymore, have you seen the Xbox One's UI?