The reality is that right now we have a lot of players who are looking pretty good that are in the mix for far less positions than that. It's certainly a better position than previous years.
Prop: Sio, Ala'alatoa, Tupou, Kepu, Slipper. These are probably a pretty clear 5 at the moment. Other options are a step down
Hooker: BPA, Fainga'a, TPN, Latu, Uelese, Rangi (pick 3)
Lock: Coleman, Rodda, Salakaia-Loto, Arnold, Simmons, Arnold, Philip, Jones, Holloway (pick 4)
Backrow: Pocock, Hooper, Dempsey, Naisarani, Hanigan, Timu, Valetini, Cottrell, McCaffrey (pick 5)
Halfbacks: Genia, Phipps, Gordon, Powell (pick 3)
Five eighth: Foley, Cooper, Leali'ifano (pick 2)
Centres: Beale, Kerevi, Kuridrani, Hunt, To'omua, Petaia, Meakes, Ashley-Cooper
Back three: Folau, DHP, Banks, Hodge, Maddocks, Naivalu, Koroibete (pick 9 between centres and back three with some players being interchangeable).
In 2015 we took a couple of risks having only two hookers (Sio was the emergency cover at hooker) and two halfbacks (Giteau was the third halfback).
The question for 2019 is whether we can get away with either of these and it will somewhat depend on whether there are any injury clouds over key players. The upside of being able to select more backrowers, centres or outside backs is potentially only an upside on paper.
The difference for 2019 is we don't need two separate teams as we have no short turnarounds so can essentially pick a best 23 with some backups to start against Uruguay and rest critical players.