Put the front swaybar back on after taking off a month or two ago in search of a front-end clunk. I didn't notice much difference in handling when I took it off, but noticed a pretty big difference when I put it back on. A front bumper was added in the interim, as were new links, so that might have something to do with it.
Clunk was not related to the sway-bar by the way (still haven't nailed it down), but I ordered new links just for the hell of it. Bushings were good. Pretty sure I did them in the not-too-distant past, but hard to remember and keep track of all the old rubber I've replaced on this thing.
Side note: installation of my BIOR front bumper brought the front end down by an inch (soft TJM coils) and the truck handles amazing now. 4" caster plates on 2 inches of lift. I'll have to take it in for an alignment one of these days to see where I'm at, but this truck has not driven so well in the 5 years I've owned it.