By Robert Nelson | for Technology Tell Sony unveiled the Xperia Tablet S back in late-August during IFA, and it looks like the tablet has since come available for purchase. Those interested will be able to make the purchase by way of the Sony Store, where the tablet is available in 16GB, 32GB and 64GB models. The tablets are priced at $399.99, $499.99 and $599.99 respectively. Also worth noting: Those who make the purchase will “get 3 digital movies on Google Play” — a $45 value. Otherwise, the Xperia Tablet S is running Andorid 4.0.3 Ice Cream Sandwich; features include a 9.4-inch (1280 x 800) HD...