Samsung has officially unveiled two new Galaxy Tab 2 tablets, a 7-inch model which was already in the public eye and a new 10.1-inch model. You can read more about the 7-inch model - which is essentially a revisited version of the original Samsung Galaxy Tab tablet without phone calling capabilities - here. As for the Galaxy Tab 2 10.1 inch, it appears that it is a cheaper version of the Galaxy Tab 10.1 as it doesn't come with the high definition screen we were...