Very interesting ad to say the least, but let me just say this: without either of the Surgilators or the Dual-Action agitator, you CANNOT put a full 18 lb. mixed load into a BD Kenmore. I know by experience; the Super Roto-Swirl and Penta-Vane will absolutely refuse to roll the load over. The clothes on the bottom get a vigorous thrashing but what's on the top hardly moves at all; haven't really experimented fully with the Penta-Swirl yet but I'm willing to bet that it will probably be the same. I find it strange that the Whirlpool did not clean the load well, because when I was using the bakelite Surgilator in the Frankenmore, it did a decent job of circulation, so there's really no doubt that the Super Surgilator will work effectively as I've also heard good things about that agitator. I'm interested to see how it works as I have one on the way that should be here this week, and I'm also interested see how the pregnant Roto-Swirl will handle a full mixed load. But the Dual-Action is the clear winner; constant, steady turnover on all loads combined with a lot of waves crashing against the tub ring, especially if there are a few pairs of jeans thrown in.
Now for full loads of "soft" clothes, large bedquilts, etc., any of the agitators work great. I also know this by experience. It's just the really bulky items such as jeans, hooded sweatshirts, and the like that will really slow down the turnover.
As for the GE's good performance, I'm not the least bit surprised (and look, it's the Dispensall!). Talk about an awesome machine; I've said before that when you look at the 18 lb. tub of the GE, you don't think it will hold as much as it really does; definitely seems a bit smaller than the tub in the Whirlpools or Kenmores. The straight-vane Activator gives everything an even thrashing, and the ramp Activator is even better, turning over the load regardless of what you have in it. I think it's that 100 OPM agitation that really makes a difference; does a fantastic job with air bubbles as well. Really, besides the Frigidaire 1-18, the GE is one of the few machines that can actually wash its claimed capacity, IMHO.
--Austin