A.,
I did not do the whole no diaper thing, but I did a version without knowing anything about it.... at about 9 months, I realized that I could tell when my daughter was going to poop. I would put her on the edge of a toliet and she would poop in the toliet.
I had been using sign language with her since about the age of three months (starting with milk then drink). So I taught her a sign for pooping (we made one up). she would sign when she had to poop and we would go to the potty and she would go (at about 9 months). This made potty training very easy (not to say we still didn't have accidents, but I am sure that they were much less than most experience... and hardly any poopy diapers starting at 9 months was a blessing!!!).
One thing that made me happy about getting her out of diapers early was the thought of all those chemicals wrapped around her tiny, developing genitals. I can not imagine that is very healthy. I think that I would have tried this had I known..... then again I was pretty tired. What ever you chose to do, do it with love and patience. Think of everything you do as fun and bonding and then nothing is alot of work. It is all in how you approach every task (and that can be hard when you are sleep deprived).
The first year flies- enjoy EVERYTHING about it. And yes, children are smart enough to do this!!! Look at other countries!!!!
I highly recommend teaching your baby sign language!!! It does not have to be a whole bunch of words, but it is so rewarding and bonding to be able to communicate things like drink, milk/nurse, eat, cat, dog,finished... they feel more in control and you know what they want. It was a blast!!! and people are sooooooooooo amazed and think you have a genius child!
One other thing... reading books and learning is great, but there is nothing that should replace your motherly instinct- trust it. All children are SOOOOOO different. What works for you and your child may not work at all for someone else (and visa versa).
All the best and have FUN (that is way important!!)!
C. Hiebel
www.candlewealth.com/soy4u
www.braveheartwomen.com/kolohe