The guest filesystem browser lets you browse inside the filesystems of virtual machines and disk images using a simple graphical interface.
This package delivers some of the features of libguestfs and the guestfish scripting tool to users who don’t want to use the command line.
Currently it’s a very early / alpha stage, but you can download experimental RPMs for F13 here (they might not work for everyone).
Richard WM Jones 
Have you considered using a “Gentoo” or “Midnight Command” type of navigation?
http://www.obsession.se/gentoo/
I think the interface will undergo a lot of radical surgery. Máirín has offered her extensive talents to help with usability issues and UI.