Quoting mark.hughes§ccamatil.com:
| 
| >Shrug.  I don't see it as necessary.  If we forget that ID.AU
| >exists, then what happens at the 3LD level is really not of
| >interest.
| 
| I concur. The value and relevance of domains decreases in
| exponential progression as one moves down from the top level - as
| the number of domain names increases exponentially.  I don't think
| its worth worrying about what happens at the 3LD level.

you may just want to note the situation that exists in gov.au and edu.au
where they are 3LD's based upon state, i.e.

  scotch.wa.edu.au
  energy.sa.gov.au

etc. this may be quite relevant to new and existing domains.

kim