The PlayStation Network is currently:
In order to continue to deliver you the best online games experience, we will be performing maintenance to upgrade the software for the PlayStation Store.
This maintenance will occur during the following timeframe*:
•Maintenance Start: Monday, December 9th, 2013 11:00 AM PT
•Maintenance End: Monday, December 9th, 2013 4:00 PM PT
*all times are approximate and subject to change