TouchWiz UX Skin for the Galaxy Tab 10.1. The update is going to be an over the air update that will be release on August 5th. The update includes new UI, updated Calender and other apps, and Quick Launcher apps.
Samsung has also caution all Galaxy Tab Wi-Fi owners that you need to read this document for important information before you update your device. It includes info about certain widgets you need to remove and when not to plug in the device while it is updating.
The update is completely optional so you might want to wait but if you are ready for the Honeycomb skin it will be live tomorrow. Enjoy!
Samsung Galaxy Tab 10.1 Update Info