I think it would be awesome to have the ability to browse the entire Spotify catalog by genre, artist, and alphabetical order, at least. The search is useful, but that's only when you already know what you're looking for. Kind of like going through a record store, I would like the ability to thumb through the music, one album at a time, if possible/necessary. That is my favorite way to discover new music, by discovering it MYSELF. I know I can't be alone in this.