.
Congrats!
As each day passes, it can only get better. If Natalie can manage it (some mothers have difficulty or don't persevere) Breast Is Best! <-- Much more natural goodies which create good health. Also, much more likely to reduce sleepless nights. Both mine were breast fed and we never had sleepless nights with either, 4 years apart - It's not a foregone conclusion. Helps to have the baby sleep with you both too.
Do what you feel is natural rather than follow all the text books.