Akro, search the CASA website for NPRM 1105 AS. When you find it, click the link to an 'Annex G'
That is a list of navaids due to be retained, if a navaid is not on that list, then it is due to go.
The only change that I know of is the Sydney VOR, its going.
Alpha
Civil Aviation Safety Authority - NPRM 1105AS