The PlayStation network has been shutdown since April 20 2011. They are working round the clock rebuilding and strengthening the system and should have it back up within a week, Early May 2011 they will begin the procedure to restore services regionally. The related question will have the latest information that has been provided and will be updated as new information becomes available.
The Press release offers information on the bonus that will be available for the customers of the PSN as well as that the resumption of some services will begin this first week of May 2011 by Region see related questionPlayStation should be back up in a few weeks
Nobody knows
While Playstation Home is still in beta format it is available for PS3s connected to the Playstation Network
the 10th of may i presume
PlayStation has announed that they will have it up before may/31/11
It won't. Sony lost their entire database from hackers. So you can't log in, sign up, or download games.
psn will be back up never for people in California. Jk it should be back up
There's no official date
Network has been back up and running for over a yearThe PlayStation network was shut down on April 20 2011 and it is not known when it will be back on The related question has details and will also be updatedsee related question
Within a week was the latest answer from SonySee related Question
The last item in the network to come back up was the PlayStation store on June 2 2011 after the April 20 2011 shutdown
No the PS3 when it is connected to the Playstation Network