The PlayStation Network is going offline for a few hours today, for what could preparation for the upcoming Firmware v4.00 for the PlayStation 3. The network will go down between 8:00am until 2:00pm PST (3:00pm to 9:00pm GMT, 4:00pm to 10:00pm BST), during which time you will not be able to access the PlayStation Store or play online games that use the PlayStation Network.
The Official statement from the US PlayStation Website reads:
The PLAYSTATION Network will be taken offline during the following times for a scheduled maintenance:
Starting on June 24, 2008, at 8:00 a.m., Pacific Time
Ending on June 24, 2008, at 2:00 p.m., Pacific Time
During this time, access to the PLAYSTATION Network will be restricted, including:
* No access to the PLAYSTATION Store
* No access to play online games on the PLAYSTATION Network