I don't think it is worth that amount of money. I'm an Apple user since iPhone 3gs. Lately they have been lacking in designing and to some extent, innovation too. I wrote a brief article on what I thought about the launch. You can read it here: https://steemit.com/iphone/@beingnaveed/iphone-8-or-iphone-7s-what-i-think-about-the-new-iphone-and-ios