Except that browsing there takes longer than five seconds.
A combination of command line + gui would seem to be optimal, such as at the top of Windows Explorer, although for some reason this seems to never be done (don't remember seeing it in Linux Gnome/KDE).
I'm not *extremely* unhappy with MAME, I just want it to be easier to use for the newcomer. I'll address my concerns to the developers in email.