Galaxy Tab 10.1 is going to ship with Android 3.1, with a tweet saying the tablet is mere days away. Samsungs tweet actually promises Android 3.0, but Tab 10.1 page clearly lists the harder, better, faster, stronger Android version as the one that comes with slate. Another tweet from Samsung US also confirms that Android 3.1 will be the OS for Tab 10.1. So wait for the Tab 10.1 is coming in few days