It's an interesting one. If Pardew elects for his "Benfica" tactic to keep it tight for 60 minutes then nick a goal, the game might be over at half-time. Then again, Arsenal haven't quite regained that rhythm and fluency they had before their recent small lull, so we might be catching them at the right time.
Wouldn't risk it with the return of Podolski and Walcott (not to mention the lost deer in headlights of Santon) personally, and I hope we give them something to worry about from the first whistle and get in their faces as Everton did.