Recommendations, in a rough order, based on my personal choices/experience with DD mods/upgrades...
-fix your clunking... may be balljoint/strut/tophat/hub bearing/endlink/outer tie rod. you should investigate this before replacing anything or buying upgrades elsewhere.
-sways & endlinks, but do rear first since it's a bigger upgrade
-upgrade suspension (choose the desired ride qualities vs aesthetic and go from there.... be it coils or struts & springs)
I did not add rubber since I'm not at all versed in rubber.... if your tires are **** or worn I have no clue. They would be priority up there with fixing your clunks.