Most of the bits were scavenged from wreckers; a few are improvised.
These images could be helpful to anyone else wanting to do the same thing.
Rear
Diff carrier spacer
Trailing arm spacer
Some other rear spacer
Front
The engine crossmember spacer
New rear gearbox crossmember
Front gearbox crossmember spacers
Control arm bush
Steering knuckle
It also has struts from the Outback.
The only issue I had was the steering knuckle; it seems too long. I ended up using a chainsaw file to flatten out the spline on the steering wheel column so i could slide the pinch thing up further...