Couldn't agree more that leather is an excellent choice if chosen wisely.
Quality and construction will vary both on the leather and the underlying furniture.
Some pieces are built to essentially be disposed of once the leather wears out (i.e., not really intended to be re-upholstered); others are built to last a lifetime. Unlike fabric, leather looks and feels better with age.
For a more traditional look (but not completely, e.g., includes transitional pieces) ...