Just to add my bit to this, Brian.
I've built a few sailing ships in the past. I must confess to never having done full on running
rigging, just a basic effort for effect. However, the standing
rigging I've done complete, if nothing else but to keep the masts vertical and true ready for the running element.
It seems to me that the masts should be stepped first.
before any
rigging is attempted. That is the way I've approached the task anyway.......
Whichever way you proceed, good luck with this interesting build. It's looking excellent thus far.
Ron