Do I have everything I need?

Sounds like you have everything! You'll find you have more than you need. Most people don't use baby powder anymore, I do but most people don't. I wouldn't worry about sweaters as long as you have a really thick blanket to put over her when you're out of the house. And no, she won't need shoes. The only thing I didn't see that you might want would be burp cloths. I know I used them a lot with my son.