My daughter was born at 29 weeks after a placental abruption. I received both steroid shots and she never needed to be on a vent, CPAP, or even oxygen (amazing because I live at a higher altitude and the doctors warned us that she was most likely going to O2 at the very least due to the lower level of O2 in our air).
She was under lights for a while (a couple of weeks) for jaundice and they did end up giving her formula for 24 hours to finally clear it up. She was also anemic and was/is on iron. She had her first bottle around 32 weeks and quickly got the hang of eating. She even transitioned to being exclusively breast fed when she finally came home at 37 weeks. The only thing that was keeping her in the hospital was that she was having brady episodes where her heartrate would drop. If she hadn't been having those, we could have brought her home around 35 weeks. When we brought her home, she was still having some, but only when she was eating so we had to be fairly vigilant while she was eating.
She is now 5 months old (I think my sig is out of date) and is doing wonderfully. You wouldn't know that she was a preemie just by looking at her because she looks like a normal 3 month old.
We'll keep a close eye on her development to catch any problems early, but other than that, we don't have any issues.