Scrolling through a list of several thousand resources is almost impossible to do fruitfully. Collections help a little but I’d really like to see resources organized into expandable hierarchical folders like Windows Explorer that are put there by drag and drop. Ideally, this would be a view rather than a physical location so that I could have multiple logical organizations of resources (e.g. I might want to organize my commentaries by series, book, etc. There should be a way to choose the size of icon or list details much like windows explorer gives.