Yes, sometime next week.
No, PSN is free and there is no indication that is going to change.
It's working now and has been since it restarted on June 2 2011
They will again service by regional area the 1st week of May 2011 see related question
tomorrow of this week
It means you have put in wrong redeem codes on psn and can't try again until 24 hours
500 how are you going to find
Yes, rumors are that PSN will be back online May 31 Source: Sony
Scroll accross to the PSN icon on the homepage. Click forget account and then go back accross to update then allow update. When the update is complete go accross to the PSN icon again. Click on Create a new account.
The PSN Team is working around the clock to get PSN up and running once again. Hopefully soon.The PlayStation network was shutdown on April 20 2011. While they are working to get it back up 24 hours a day it is not known when it will be back up again. The related question has the most current information on this problem including links to the information sources. It will be updated as new information becomes available.The best information available will come from newest posts at the related linkSee related question
Go to your downloads at the Playstation Store and download it again
No, a Japanese PSN account can only be funded with a Japanese PSN card, one with a yen amount on it.
It's actually known as a PSN ID. http://www.us.playstation.com/PSN/mediago