The Gunners are looking to strengthen their squad before next Wednesday's transfer deadline and are in particular need of new creative talent after selling Samir Nasri and Cesc Fabregas to Manchester City and Barcelona respectively.
I don't think the quality is an issue. The players that they have all have quality. All can play football. They need match winners. Proven match winners. I don't see this new signing make much of a difference!
Sneijder like you said would have been really worth buying and paying more than they usually do! He will win you games.
He's younger, bigger, stronger, costs much less, could function as a 'big brother' for Arsenal's biggest talent Ryo, plus he's also a great playmaker with a very good free kick and shot-technique.
... and I really hope he will come to the Premier League, but why would Arsenal buy him!?
They already have Arshavin and the great Ryo to play on the left wing, which is also Elia's position.