Swipe in from the edge to see shortcuts to favorite people and tasks. The S8 has the strongest network performance we've seen, thanks to the qualcomm snapdragon 835 platform. The 12 megapixel main camera is the best one available right now, with solid low light performance.
Battery life is the only area that isn't a significant improvement over the Galaxy S7. The Samsung Galaxy S8 is available from all the major US carriers, and the best phone to get if price is no object.