If you're going to go out and by 2 new torsion leaf packs, then (I would think) using the new pieces and discarding the old ones would be best; what that will cost, I don't know. However, if you go on Craigslist (or to a local wrecker, it there are still any around) you should be able to find what you want relatively cheap. First, take out the leaves that are in there and make sure none of what you have isn't broken and the depressions the grub screws anchor into are good so you know exactly what you need. Re your comment about the small leaves not being held in place in your last post- I think you're right and wonder if any of the small leaves are contributing anything since the ones that are there are not being held in place. I think it will ride much different when you get it back together.
The beam stiffeners (the ones that go from near the shock tower to the pan are supposed to work well, although I've never used them. They aren't essential, but if you're ever going to drive your car hard I can see them being useful.
What's with your front sway bar- are there just no clamps on the ends? They look like this-
