Looks like a couple of Samsung Galaxy A series smartphones and the TAB E series tablets will soon get the Nougat update. All these devices - the Galaxy A8, A9 Pro, Tab E 8.0, and Tab E 9.7 - with Android 7.0 on board have been granted certification by the WiFi Alliance. This usually indicates that the update is currently being tested, and if everything goes fine, it should get pushed out soon. However, it'd not be fair to assume that the roll out is imminent given that some times it takes even 2-3 months for the update to start hitting units after receiving WiFi...
Source: http://www.gsmarena.com/nougat_for_samsung_galaxy_a8_a9_pro_and_tab_e_is_being_tested-news-26812.php