Discs and pads are a breeze, fairly cheap too unless you go exotic.
I polybushed ARB, drop links etc and can feel the difference.
Wishbones seem a bit tedious: ours is fairly low miles so all is well there for the moment.
I seem to recall a how-to on front wishbones on here. Check out the how to guides on the top of the page.
It will be all right in the end. If it isn't all right yet, then it is not yet the end..