For those who may have missed this, saw it posted on BGR (orginally from XDA) and I'm loving the new setting!
- Download Nova Launcher (free) — don’t worry you won’t have to set it as your default launcher.
- Long-press on the home screen and select Widgets.
- Drag and drop the “Activities” widget onto your home screen.
- In the widget options, scroll down to “Settings” and then choose .DisplayScalingActivity.
- Tap the icon to open the menu and select “Condensed” to change the display mode.
- Reboot, then switch back to the TouchWiz launcher if you’d like.