Ox Chamberlain, has talent that much is clear, the question is were we in a position to spend 12 million on a player who will take time to develop? IMO not, we need to use that money towards buying some ready to go and proven, if you've got a great team and are looking to the future that's fine, if however your team isn't so good you need to think about the present.
I'm a fan of Oxo, the fact remains that he's not developed enough to have a big enough impact at the moment, that will probably change in a few years but once again we have to wait around for a player to come good, Wenger has been spending money on the future for 7 years now with little to show for it.