insomniac17 on 04 November 2008
http://www.us.playstation.com/PS3/About/SystemUpdate
# New for 2.52: The playback quality of some PLAYSTATION®3 format software has been improved.
# New for 2.52: A text entry issue that occurs when using the on-screen keyboard, USB keyboard or Bluetooth® keyboard with some PLAYSTATION®3 format software has been addressed.
Yeah, pretty basic. You can find out what updates do on this website; it's pretty nice to have. Just click on the System Software Update button on the left side.
http://www.us.playstation.com/PS3/network
