OK, I'm back with the review.
First load, normal laundry, mostly coloureds, some stainings. All of the everyday debris is gone- they look clean but stained, iykwim? In an ordinary family or a house with grownups, it would probably work brilliantly. If I'd got the stain remover out first, that would be a help too. But I didn't, because that wouldn't be a fair test, would it?
Second load was nappies- crisp white terry towelling. I'm sure that they ARE clean, but they don't look it. They look dingy and sad and icky. If you use unbleached or coloured dipes all the time, they would probably be fine, but not if you like big white and fluffy bums.
It all smells CLEAN- and my current brand of laundry detergent is heavily perfumed even in half-quantities, so that's a good thing. The bad thing, as I said, is that they aren't handling whites/ stains well, so I'm going to have to use them in conjunction with a standard non-bio for those.
This was at 30 degrees in a frontloader for the coloured load and 40 for the nappies, btw. Part of me wonders if you would get better results in a top-loader, with more water and less agitation.