Sony's Gamescom press conference will be available to watch through the intertubes next Tuesday, August 14. For Europeans, the time for attendance is 19:00 German Standard Beer Time and 18:00 UKAEA time. In the States, that's 1PM Eastern and 10AM Pacific.
The PS3 redesign isn't expected to be on the docket for the show, but Sony has used the event for big announcements in the past. Last year's console price cut was announced there and it's where the PS3 Slim was officially revealed. If you can't stream the show at your location during the appointed time, don't worry – we'll be there to liveblog the latest.