Did you search "suspension overhaul"? I'm sure Mango did a thread on that and that there are many other threads on it.
you didn't say control arm bushings, but assume you know that.
You don't 'need' a new sway bar...depending on your mileage, you may not need springs either.
Sway bar endlinks, though, could be done...don't know that you'd feel much difference unless yours are bad.