Coilovers
Coilovers : Adjustable Height, Spring Rate, Length, Size, Fittings, Reservoir ( Remote/Piggyback), Bypass
Leaf: Cheaper, easy to fix, even a tree sapling used as a bush repair no electricketry to deal with.
Better or worth is a personal one. Depends on budget and what you will be happy with. Each use is different, horses for courses.