I don't have any at the mo.
I always knew I wanted at least 3 because I am one of 3 and it just seemed to 'work'!
Now, in an ideal world I would like 4 but I would only ever go that far if I could afford to bring them up in the lifestyle I would want for them.
All that being said, I might decide to stop after 1 so will just have to see what happens!
OH is definite he wants 2. And he is one of 2 children so I wonder if this affects your opinion on it?