I suggest that the File Navigator be easier to access. I'm a long-time user and it took me a bit to figure out that you need to use the sidebar list to click on FILES without clicking any of the subcategories to get to the File Navigator. With 6,000-plus files, you also need a better search feature.
A few Random files -- one from each category you have at the top of the FIle Navigator page -- would be a nice touch. I have found files and websites I enjoyed by randomly typing words in a search engine. It doesn't work as well as random picking cards from a library's Card Catalogue, but it's a good substitute.