The only real rival could be a second generation model that fixes the sound issue while giving a boost to battery life. (tech-gaming.com)
Her only real rival in terms of political longevity on the world stage is Russian President Vladimir Putin, who of course isn't subject to democratic laws of gravity. (businessinsider.com)
They were shown up at Man City, who the Gunners beat in the Community Shield, and they have not even started to feel the effects of midweek Champions League games yet, so I reckon that Arsenal have only got two real rivals for the BPL title, Chelsea and Man City. (justarsenal.com)