Yes the wait is finally over. The Samsung Galaxy Note III will be unveiled at the IFA on September 4, the coming Wednesday. And according to the ePrice store, it will be available for pre-order on September 16 in Taiwan.
And also according to them in less than 2 weeks after IFA, it will go on sale, by 27 . Also this matches the rumors that a phablet will ship in September. Also there is a possibility that Samsung will do a more wider initial release, so also there might be a possibility that the phone may be made available for other countries too, on the given dates. As the rumors say, each country would be getting different versions, either they feature a Exynos 5 Octa or a Snapdragon 800.
Also some of the rumored specs of the phablet are the 5.68 inch screen, with a SUPER AMOLED Display, 3GB of RAM, 3,200mAh battery and 4K video capture.