The Default System Font.
Mouse and Trackpad 'Scaling' - sensitivity / speed.
Trackpad tap-to-click.
Scrollbar Arrows - two arrows at top of scroll bar? One arrow at top/bottom? etc.
Font size at which Smoothing gets applied. For example, I have this set to 128 (points) because I'm basically DISABLING font smoothing.
Selection highlight color.
The list of recent folders, appearing in the Apple Menu.
Favorites for font styles.
Favorites for colors, including styles and colors you've saved in the grid at the bottom of the Colors dialog.