I also have always been on the fence with this but have not done it
I have heard of fitment issues with the front that I don't know whether or not have been corrected or not.
Most will say its not worth it but I dont know if thats really from experience or not or just an opinion
I will say my jeep as is handles very well
Bwoody links, JBA UCA, Eibachs, rear addco sway and vreds w/modified oem bump stops