I love this Capriccio. It's intriguing because so far as I know, it's the only keyboard composition by Bach with a programmatic agenda, especially with Bach's otherwise incredibly formalistic oeuvre.
I also love Rosalyn Tureck. I want to get my hands on the Fleisher recording of this that came out recently. Recently being in the last 2 years or so. Oh, and also see the Two Hands documentary. GRR. Anybody know where I can see it?