Outer Limits 4x4 Board

My rear springs have sagged a bit and I need some opinions fellas. Is it worth while repairing the old spring or put new standard height rears on? OME have good ones I like but are a 50mm lift, meaning I then need the front done too.

I suppose a cheaper way is to go to my local tyre service and have standard eg; Pedders etc.. fitted.

Any thoughts fellas.....