Here's a nice way to see (and hear) how Beethoven used Mozart's "Dissonance" Quartet, K. 465, as a model for his Opus 59 No. 3 Quartet. I love the domestic settings of these two videos. This is, in my mind, the kind of setting where chamber music should be played, and I really like the way both of these quartets (the Italian Quartetto Lyra for the Mozart and the American Jupiter Quartet for the Beethoven) play these first movements.
You can go back and forth between the two windows, which is a real luxury. You can also follow the score for the Mozart and the score for the Beethoven, and compare them.
I kind of like running them simultaneously and tuning in and out of one or the other. And it is even fun to listen to them playing at the same time.