I have been just to paranoid to buy anything. The last hospital stay did not help my insanity. However, my mother is buying us the bassinet, car seat, swing and stroller. Which I did finally pick out online. I just need to give her the go ahead to order. And hopefully I make it out to buy the rest.
Realistically, those are all the big ticket items you will need for a while. As long as you have diapers, some pj's, and onesies, you would be fine for a few weeks.
Anything else you need, you can work on after she is here!