From our experience (4 of em):
The lift out bassinet/car seat/stroller combination is a godsend for keeping sleeping babies asleep
Sling, rather than baby bjorn
Breast feeding is a pain, but the benefits are worth it if you can manage. My wife was a la leche league leader, if you're interested in that, we have a ton of information
Don't stress most of it, it's really not that complicated, just go with it.