Don’t you just love Kotaku? They classify this post as a rumour, when it is, in fact, the result of a survey conducted by a third party. They even admit as much:
Of course, being a survey conducted by a third-party publisher and not Sony itself, these prices could well be pure conjecture.
Of course it’s pure conjecture, so why have such a misleading title? Also, I’d bet against a $250 price point.