Bob,
I'll second your Husky choice.
I have a Husky HB4500 on a 2007 30' Slide Out. It has one of the heaviest tongue weight Airstream that I've heard of. I know, somebody will correct that one.
The old jack, I knew about switch replacement, ridiculous switch wiring design. Removing the head for manual override, don't forget the Allen wrench. Oh yeah, then you have to synchronize it. And the noise.
The Husky. Ball screw as you noted. Quiet operation. External manual override, no head removal required. Mine came with a real nice 7 way plug storage bracket. Keeps it cleaner and out of the way.
Fits A frame nicely, don't remember any fitment issues.
I think I'm at least 4 seasons with it. Zero Issues and I do use it to lift and set the bars with.
Gary
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S/OS #001 2005 Dodge Ram 2500 5.9L 6 Speed
16" Michelins, Hi Spec Wheels, Max Brake, Dexter 4 Piston Disc Brakes, Carslile Actuator, Equal-I-Zer, Dill TPMS. Campfire cook. BMV-712. DEMCO 21K Lb Cast Iron coupler
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