Stadium wise a sucessful Australian (/NZ?) FIFA World Cup bid would probably sort the country out stadium and infrastructure wise for the next 50 years. Problem may be that it would most likely leave us some stadiums a bit too large for practical use for 99% of events, bigger problem is it probably won't happen any time soon if at all.
Just out of boredom here's what it could look like at a guess.
- Sydney - ANZ - As is after new upgrade, improved public transport & parking options. 75k capacity would rule it out of opener or the final if FIFA stick to their rules.
- Sydney - Allianz - As is after Upgrade, improved public transport & parking options
- Melbourne - MCG - As is, only option for final and opener (If FIFA Compliant).
- Melbourne - Etihad - As is.. or
- Melbourne - AAMI Park - Upgraded to 40k
- Brisbane - Suncorp Stadium - As is or upgraded capacity to 60k if possible, if so option for semi.
- Perth - Optus Stadium - As is, option for semi.
- Adelaide - Adelaide Oval - As is
So 7 definites there, to get it up to 12 there are no other current stadiums that comply, so you'd be looking at upgrades or new builds to following to 40k+, here's where it get impractical.
- Newcastle - Long Term a state of the art 40k stadium could be great for the Knights.
- Canberra - With an Intimate mode it could work.
- Gold Coast - Ditto Canberra
- 2 of Townsville, Wollongong, Central Coast, Hobart, Geelong or Darwin - Scraping the Barrel here.
Or
- 60k Auckland, 40k Christchurch & Wellington upgrades or rebuilds if NZ gets involved saving us from white elephants in Townsville, Hobart etc.
Have to say NRL would be the big winner out of that.