You can do certificate's in Aged Care and often you can get paid whilst you do them. A lot of the TAFE's offer the course - just google what's near you. I know Box Hill used to do it. Also contact some of your local Aged Care facilities to enquire if they will put you through it. Means you usually have to commit to them for a period of time afterwards though.

Have you thought about doing your Div 2 nursing? You could still specialise in Aged Care but I believe the $ is more and will give you options if you want a break from Aged Care.