Electronic tablet more than notable in features. "The huge Consumer Electronics Show concludes in Las Vegas Sunday with what boils down to a single word of advice about what could be the hottest stuff in personal technology this year . . . That's tablets along the lines of yellow legal pads or Big Chief grade-school notebooks. But these are equipped with digital technologies that are supposed to replace our laptop computers, our television sets, our iPods and even our yellow legal pads. . . "