I did a front end refresh about a year ago when I added power steering... Still drives like a new truck. Used all Moog parts, I spent $400 for all the parts (including all the P/S parts from the bone yard).
You will notice a huge difference in steering and handling.
Tierods, idler arm, pittman arm, ball joints, complete power steering setup & wheel bearings. I think thats it. Oh and an alignment.