Actually I think Bambino Mios do more of a disservice to washable nappies than anything else - especially the birth to potty packs. The nappies themselves are OK - they make quite good inserts for pocket nappies, and good boosters, but the wraps are pretty awful IMO. If you can find a good deal on them then OK, but the retail price of them is enough to put anyone off. So many people buy a birth to potty pack, which costs over £300, and then find they leak, so they are put off washable nappies altogether, as they don't know that better wraps can be found, which will actually work.
That sounds awfully anti, and I don't mean to, as the cloths themselves can be useful, and if you can find a good offer, then go for it, but be ready to use something else as well, as your baby gets older. And don't be put off if they don't work as a nappy on their own - they have plenty of other uses!
I;d go for fitteds myself though - far better containment, although they are nt as easy to launder, or as quick to dry a prefolds (never worked out why the call them prefolds, when you have to fold them yourself!!!)