Actually I have two sets of twins. 6 and 3. So I am at the same stage of independence as you. And I too am looking forward to it. Life is starting to get easier.Do you have a set of twins in there?
I have 3 (7, 4, and 3), and I really looked forward to graduating from the near-total-dependence stage. Life is pretty good now that there are no more diapers and we can send the kids outside to play on their own occasionally.
It would be tough to talk me into adding another infant at this stage...lots of positives about those early years, but man, they take a toll.