I probably heard of this quartet long before I even owned a classical recording. The name seemed to be synonymous with greatness, like Heifetz or Cliburn. Are they that great, and if so, why? I have their recordings of Beethoven's late quartets from the early 1950s. (Before I only had the Tokyo String Quartet performing them.) They sound good to me, but I don't have much of an ear for classical recordings. (If a note isn't missed, I'm usually none the wiser.) Can anyone sum up on this?