I'll be setting about building an Orange or two shortly and I was mulling over framing options. Simo himself suggested:-
2PT LEs, 3PT LSs, 3PT spine
I considered going the whole SUL way with
Skinny LEs, Skinny LSs, Skinny spine
which should save around 16g. on the above or a light standard with:
P100 LEs, P200 LSs, P200 spine
which would be circa 30g. heavier and emphasise durability over weight.
Anything else spring to mind ?
Mike.