Is 1/2" leaf spring relocation worth the trouble?

I'm looking at doing a leaf spring relocation and wonder if it's worth the gain against the work involved.
Also right now the relocation kits seem to be unavailable. I've read that using a 3/4" kit while relocating the front mount actually only gains more like 1/2" while the back shackles gain a full 3/4". Which according the the discussion I read here, seemed to be somewhat heated BTW. Part of it of it was, there was some noticeable binding which may cause premature wearing of the components involved. My point is since I'm trying to put a 68/70 B rear under a 74 Duster or 72 Demon should I might as well just do it? I'm told the Doctor Diff 1/2" kit which I'd like to use is maybe a month or more out. I'm pretty decent at fabrication so could make up the front hangers and have seen a few other homemade solutions like these shackles I might try to keep the ball rolling.

offset shackles.jpg