Ok, digging up this thread after 11 years feels like borderline necromancy, but I'm actually working on it, so it seems fair!
I started working back on this thing earlier this year and made good progress.
I'll let you check the first message for context, but here's pretty much where I left things off (just the torso and shoulders):

And here's where I'm now:

I documented the build on Twitter, so you can see more pics and videos there:
https://twitter.com/hashtag/TheOII?src=hashtag_click&f=liveI've managed so far to only use plastic card and epoxy, and I'd like to keep it that way. I may end up using option parts but for sure I won't kitbash.
Next steps are:
- Legs/boosters (conceptually similar to the Neo Zeong)
- Weapon (RPG/Stinger-like)
- Secondary arms on the sides of the shoulders
- Rear skirt boosters