While warring poll numbers cast doubt on voter's love for the Coalition, there are signs that Malcolm Turnbull may soon have a reason to await his preferred leader polls with hope rather than dread.
The biggest danger to Shorten may lie in the one seat where Labor will not have a dog in the fight: the South Australian electorate of Mayo.
The prerogative for pollsters to keep their mix of herbs and spices secret is problematic, particularly as the long-term escalation of the minor party vote makes preference allocations ever more significant.
On top of the easily quantifiable impacts on party margins and seat shares, the changes will disrupt the major parties by disturbing finely calibrated balances of factional power.
It's not just self-regard that caused Malcolm Turnbull to come unstuck on this persistent Newspoll commentary. He has also been the victim of unusually stable polling results.
If the Liberals are going to take the fight to Labor at the next federal election, they're going to need to put the grey vote front and centre of their election strategy.
The recent trend of voters failing to deliver seats for alternative parties may seem reminiscent of a similar shift in the UK, but there's more to it than voters simply returning to tradition.
With whiplash-inducing speed, media takes about the frailty of the two-party system have made way for prognostications on the failure of its challengers to match expectations.
This weekend, Labor finds itself threatened in places it could confidently have regarded as its electoral heartland just a few years ago.