Leadsled, here's something else for you to ponder...as you are so fond of how things are done overseas...
2015 in Europe
Interesting! Neither a concept or idea but a plan for future direction.
Flexible Use of Airspace. Flexibility requires capacity and resources. Resources include surveillance. Capacity requires bums on seats to re-configure airspace as required in real time....just need more runways and apron space to take advantage of the airways benefit.
How much of this has been taken into consideration in Australia?