Ali coming in at 8 really is a bonus. Hopefully they will stick with this line up until Hales finds his feet as it so solid looking.
I should think the declaration will come at 450 lead.
Incredible scorecard in the NZ v SL ODI. Note it's an ODI not a T20...
http://www.espncricinfo.com/new-zealand-v-sri-lanka-2015-16/engine/match/914209.html