Should I upgrade my headphones?

[abc6]

I currently have an akg k52 which still works well after almost three years but I'm planning on upgrading to the audio technica m40x. Would this be a good idea or should I stick to my akg headphones? I'm going to be using it for music production and djing

 

[E-Mantra]

im using m40x ..im super happy about the results
ive been using them for my latest albums