[redrooster]

Your'e right, it gets expensive quickly. My advice would be to go to some trail rides and see what you like. Take it easy on your stock axles, they will break with 33's if you bounce, rev and dump the clutch.
When folks say 1pc rear axles, they are referring to the axle shafts, not the housing and differential. CJ's came with axles that had a shaft with a splined end at the differential and another spline at the hub. The hub end is prone to strip out. The one piece kit eliminates the splined hub. It will come with new axleshafts, seals and bearings. It's almost a mandatory swap.
BTW, your 78 is considered to have Narrow track axles. The CJ got wider track axles in 82. Yours are something like 4" narrower overall than the wide tracks. No difference in strength.
If you wanted to go one better on strength and have the one pc axle, try to find a narrowed Ford 9". It should have the same lug pattern. They came on everything from the small broncos to cars. I would take a 9" over a Dana 44 any day.