Is it too cynical of me to say none of this really matters a toss?
The simple fact is that a well squared away pilot is the type who already gives substantial radio calls when in or about a CTAF (regardless of whether it's (R)) and certainly provides sufficient info on his/her position and intentions to allow other aircraft to safely deconflict.
On the other hand, pilots who cause the problems at uncontrolled aerodromes - the knobs who either don't bother to monitor/broadcast, who have such poor grasp of RTP or traffic separation that problems start to occur - these are the people who won't even bother to learn that there has been a change in procedures anyway!
CASA can change the musical chairs all it likes - there are good airmen and bad. That's the real difference between smooth, safe operations and an incident/accident. All this change of regulation business really achieves is to give CASA a different coloured rope with which to hang a transgressor.
Wow - am I really that bitter and twisted? Time to go out to the porch with mah rockin' chair and shotgun!
Icarus