Sony official blog revealed thorough details about the new PS4. The much awaited game console will be released on the 15th November in the US and Canada. It will be available on the 29th of November 2013 in the UK (Price: GBP £349.99) and most European market ( Price: €399.99 RRP).
Detailed description of the PS4 box and more technical details can be found here.
Update: Wired.com just released a video of Sony engineering director Yasuhiro Ootori tearing down the new PS4.