Spine of the team is still weak. CB and striker needed.

Cech - Fine
Kos - Needs a world class partner
Xhaka - Let's hope he's decent
Ozil
Steaming turd mound - work needed here, that's for sure. We can't possibly go another window without correcting this.

If they fill in that spine this summer then Wenger and the gang will have indicated they are finally serious about football. If they don't, well they confirm again what they seem to be about. No excuses accepted, this has been long overdue.