This is the multiple column browser most closely associated with the NextStep interface. It has a shelf and a path display. Unlike current NextStep, it should display icons in the list, allow dragging from the list, and allow rename in place.
Configuration is via the inspector where the user can pick the browsing tool of choice.
The Finder will have a global preference to browse in place . When enabled, folders replace the contents of the current window instead of opening a new window. The user will turn the option on via a toggling command in the View menu.