While EVE: Valkyrie is included in the Oculus pre-order, those who already have a dev kit can have a go in the Alpha test that will begin in about a week and a half, January 18th. Just head on over to https://account.evevalkyrie.com/signup to sign up.
From the press release:
"EVE: Valkyrie is an award-winning, highly anticipated multiplayer dogfighting shooter that has been built from the ground up to harness the very latest advances in virtual reality technology. It is an accessible and immersive experience that fulfills the fantasy and thrill of being a spaceship pilot in the midst of combat. More information about the game can be found at http://www.evevalkyrie.com/."