1.Is the map in Fallout New Vegas going to be bigger than the map in Fallout 3?
It will be comparable in size to the Capital Wasteland
2. Are there more options for your character's look facially?
Yes, including the ability to adjust the age of your character (since the game doesn't start at your birth).
3. Is Area 51 going to be in the game?
No.
4. Are caps still going to be used as currency?
Yes... along with several other forms of currency.
5. What's the name of the faction shown on the cover of the game?
That's an NCR (New California Republic) Ranger
6. Will you be able to get a vault suit?(random question)
Yes... you'll actually get a Vault 21 jump suit from Doc Mitchell at the start of the game.
Thank you for reading.

-Vault101