To be clear to those who are not familiar with the Jobo processors, the processor needs an after-wash only if you don't do the film wash on the processor. If you do, that takes care of both the film and the processor. (The bottles do get a brief rinse as part of my clean-up afterward.) If for some reason one couldn't conveniently do the wash on the processor, that would be a strike against it for my purposes.
Getting back to Andrew's additional question, I use the Jobo Expert drums. A key benefit of the Jobo drum system for some of us is the ability to accommodate a wide range of sheet film sizes other than 4x5, from 2.25x3.25 all the way to 20x24. That said, I think it's likely that 4x5-only users are the largest subgroup within this small market.
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