All my chevy friends have 14b's on their rigs. My only suggestion is to find a dualie 14b, i.e. not quite full-width.
There are a whole slew of nice stuff you can get to jazz them up, i.e. ghetto cheap disc brake conversions, every locker manuf has one for the 14b.
The only shortcoming in my eyes is the sheer mass of the differential housing - obviously WAY too big... and drags low. Lots of people shaving them, bit of work.
Very stout axles no doubt.
For bronco's and short wheelbase rigs I'm more a fan of built d44s. I have 1ton axles on my Heep and the extra weight, just from the housing and the retardedly huge brakes it just overkill. The heep more just humps rocks instead of getting traction - a lot sloppier than the bronc.
The d44/9" combo can be made really stout. Unless you're running a 460 in your EB or have a 200:1 crawl ratio with 200ft/lb torque and love to smoke them on the rocks... I'd say you really don't need a 1-ton drivetrain. Although it's nice no doubt.