Yes this is being made many many hours in advance however it's good to get it started. This thread is not going to be all colourful and pretty but it will get the job done. ;)
Announcements:
Singstar Beatles coming to PS3 - http://www.mcvuk.com/news/35428/SingStar-Beatles-on-the-way
Gran Turismo 5 playable at Gamescom - http://www.imagebam.com/image/10738145810998
LittleBigPlanet will now be getting water - http://blog.eu.playstation.com/2009/08/18/is-it-just-me-or-does-it-feel-a-bit-damp-in-here/
PS3 Slim announced and will be 299 $/euros
Firmware 3.0 announce
PSN getting a new look September 1st
Video store coming to certain regions
EyePet will release for 50 euros
GT5 was pulled from the conference for some reason but will be at the show floor.
Have a look at the liveblogs for a rundown of the info, I will update furthur when my rage about GT5 decreases. :(