Sony has announced scheduled title maintainance for select PS3 and PSP games in Europe this Sunday

That means the following games will be offline between the hours of 5am and 12pm British Standard time.

Buzz! PS3
Combat Ops PSP
EyePet PS3
Gravity Crash PS3
Home
Killzone 3 (including affiliated its website)
LBP PSP
MotorStorm 3 (including affiliated its website)
MotorStorm PSP (including affiliated its website)
PSP Comics website
SingStar (including affiliated its website)
Super Stardust PSP
WipEout HD
Sony also said "there may be some additional downtime after the maintenance for testing purposes."

Earlier this morning the company announced a minor PS3 system software update, which it said will improve system stability during use of PS3 format software and network services.

http://www.computerandvideogames.com...e-this-sunday/