I have 2 of the UltraWash 1's from 1988.....with the tower, porcelain tubs....the tower can be cumbersome for loading some items, but the advantage of the adjustable upper rack more than out weighs the loss....
I also had an Ultra 2, NO tower or adjustable racks.....plastic tub....that's why I was surprised to see them return it for the Ultra 3...
the extended racks on these seemed to hold more than the Whirlpool versions with the silverware racks in the door...
either way, you can't go wrong, excellent cleaning......bake a chocolate cake, frost it, and place it in one of these, after a full cycle, it will be GONE!...that was their guarantee!....and I tried it several times....