Sony is supposed to be unveiling the new Playstation next week at a New York City event. They explain the history around the PlayStation 1 time period in the video below.

Multiple pictures have been leaked out about the controller and its functions. It is said that the new controller will have a PS Vita-like touch pad on the top of it. There has been a high volume of profile leaks this week, trying to find out more about the console. There have also been recent news about a prevention measure of used games on the PS4.
According to Kotaku, PS4 will support "multi-user simultaneous logins". This means we can play CO OP and unlock trophies online and offline at the same time. Many people complained they couldn't do this on the PS3.