We need a world class CF more than anything. Giroud is a good striker but he doesn't make chances on his own, he relies on service. Service we don't provide because it's not in our nature. We have intelligent players like Cazorla who prefer not to cross the ball because they see it as a waste of possession. Our crosses aren't connecting since we don't get men in the box. Many of our crosses are poor. Walcott, Sagna and Gibbs occasionally deliver poor crosses. Our best crosser of the ball is Podolski. Regardless, we'd have to get men in the box, too often we cross and the ball goes out of touch or safely cleared by defenders. Therefore the big target man in Giroud doesn't suit our system.
We need that huge, world class name to be spearheading the line. One with technique, strength, speed, can play with his back to goal, can dribble past defenders, a renowned goal scorer, good link-up, good movement etc.
Most big teams have one. Barcelona have Messi, Madrid have Ronaldo, Utd have RVP and Rooney, City have Aguero, Tottenham have Bale, Liverpool have Suarez. We need one. Preferably in his early to mid twenties.