Love the idea, but with 3 pups you think they'd spread them out a bit more for more tonal options. At least put one of them in front of P position for heaven's sake.
I wouldn't think that's a G3 neck at all. That's a lot of expensive work (remove fretboard, replace truss rod, fill old truss rod route at headstock, refin etc) for little benefit. Pointy headstock necks can be found elsewhere. Those do look like real Bill Lawrence G3 pups (which are great, one of my faves).