Received this note from William Hill today...
Another great option bites the dust!We are writing to notify you that following certain changes in regulations, William Hill is modifying its policies regarding players who reside in Australia.
William Hill and our affiliated brands will no longer accept new registrations from players registered in Australia. For the moment, however, on-going activities from existing customers registered in Australia will continue as normal
At least players who already have an account can keep playing.