Samsung Galaxy Tab 10.1 owners can now update their devices to the latest EL01 version which includes TouchWiz for tablets along with a ton of other fixes and improvements. The document above will walk you through all of the major changes such as the mini apps tray, quick panel, and social hub widget. Users bored with the usual Honeycomb UI will sure love this breath of fresh air which the TouchWiz will bring.
The update itself is 351MB in size, so be sure you are in a strong LTE area or on WiFi before attempting to download.
For Verizon Support see this.