He's supposed to be the real deal, Nela, but no one on here has watched him enough to say for sure. From the little I've seen of him he seems like a cross between Gilberto Silva and a more energetic midfielder like Flamini or Frimpong, or dare I say, Vieira.
I take the attitude that if Wenger is prepared to pay upwards of £20M for him, he must be bloody incredible.
Edit - in agreement with Klaus and Qs basically. 🙂