I recently bought a used pair of the Delsings from someone on the forum, but haven't installed them yet. One of the things I remember seeing somewhere (either an image on this site or on the Delsing site) was of a bracket that allowed you to use your stock swaybar bushings with the Delsing product. Because it is nearly impossible to buy (at least I haven't been able to find any) greasable bushings that fit our swaybar EXACTLY (yes, Energy makes some that are 0.5mm bigger than our bar), I think using the updated stockers would be good because they hold grease between the bar and bushing - they have that "fabric"-like material on the inside. I had a set of Energy bushings on my car before (an attempted klunk fix) and they sqeaked like a mofo because they clamp so tightly to the bar that only the thinnest layer of grease can remain between bar and bushing. So, I think using the stockers in the new location would mean not having to grease the bushings so often. And that, my friends, is my two cents.
Edit, found the pic on Delsign's site.