I have tried to find some info on them as well, but have really come up short.
CJC has a couple of videos posted out there that looked positive, but unfortunately they're all for the 4th gen, not for the 4.5.
Looking through a ton of pics in the customwheeloffset gallery, hunting specifically for Hemi trucks, I did see a few people have chosen to install kits that are supposedly diesel specific. No mention of how things ride, unfortunately, but they look good.
I'm still trying to find a shop that I can trust to install whatever lift I end up getting, so that adds yet another layer of complexity to my search.