DS1 was 8lb6oz. He was a pretty proportionate baby and was out of NB in a couple of weeks. DS2 was 6lb11oz with a long, slim build (preemie baby). He wore NB tops and bottoms for about 3 months (he was too long for the sleepers around 2 months).
It all depends on how your baby is built.
Typos courtesy of my "smart" phone.
Hi! I'm Shannon
Wife to J
Mama to a couple of crazy boys - L (12/07)
and E (2/11)
and Meatball coming 4/14