If you are doing this, you should parts in order from the least expensive to the most expensive.
1. Steering guibo
5. Control arms
6. Steering rack (this is a last resort item)
You need to inspect your strut mount bearings for play as well. On top of the strut, under the hood, you can remove the black cap covering the center of the mount. The bearing is in there. Jerk the strut around from below and watch for play in the bearing. Play = get new mounts.