Bigger sway bars.. is it worth it?

Any sway bar is better than none. Having said that, my plan is to keep the sissy looking stock front bar and add a aftermarket rear sway bar.
I think it boils down to how and where you drive. Enough mods might make an old mopar handle winding roads like a Porshe but that kills the personality of a classic for me. May as well be a porshe if it drives like one. Just my opinion