Which is the most practical cosplay outfit?

Question

I am going to New York Anime Festival in September. I have a few ideas to go as. Obviously I don't have much time so I would like to know which you think is the best one:

1. Aeris Kingdom Hearts 1 version

2. Misa from Death Note

3. Kairi in her school outfit form Kingdom Hearts 2

4. Misty from Pokemon

5. Kairi in a casual/urban style outfit

6. Day class Yuuki from Vampire Knight

Answer 1

Misa and Misty should be really easy to make - Misa is coolest, so I'd chose her, if I were you :)