Hi Clayton, you have actually ansered your own question, dividends and capital gains. I have drafted a letter to my local MP, I am outraged at this.
It appears the Salary Sacrifice is only for the very rich. I used an example of a $1000 a gross, with a $100 SS. End result for super fund:-
No SS contribution - $90/week ( Paid by employer )
$100 contribution - $85/week ( Paid by employee )
This is BS, let you know if I get a reply from the MP, I won't be holding my breath!