TrackerV3 is an advanced file system explorer. It comes with a Windows Explorer-like interface but has a far broader scope. You get much more information and all on the fly. Tabbed browsing, best file find you can get, reporting features, and instant preview of font, icon, image, audio, video files, hex view, binary string search, browse-history, go-to copy-to move-to favorites, logged backup, time-stamping, copy directory tree. Requires GDI+.