Note that although it is a .cgi file, this import will NOT be available via the web interface to nph-import.cgi (due to the amount of time parsing the entire DMOZ file takes), only through the shell interface.
I'm not sure when the next beta release will be out, but I can tell you that we're getting close to having everything finished and ready to go.
Jason Rhinelander
Gossamer Threads
jason@gossamer-threads.com