I think you'd be money ahead to use a front housing from a 40 or 60 series landcruiser. The r&p is stronger than a d44, and importantly if your going cheap the carrier is stronger so an aussie locker will not deflect and blow it up. I think the idea of toy outers on a 44 is interesting, but I don't see it becoming popular as the toy diffs are a much more user friendly design. And cheap. I think I heard rumors of a longfield for the rubicon 44 front. I'm not sure if thats accurate, but if so I think that would make a fairly stout axle for a smaller tired rig.
I say build one and we'll see how it works!!
I say build one and we'll see how it works!!