For everything else Leipzig please visit Hammer24's GC Leipzig thread.
Sony's the only platform holder with a press conference this year and it's starting now. EDIT: Finished, all announcements below.
Live Blogs:
http://www.videogaming247.com/
http://www.eurogamer.net/
http://ps3.ign.com/articles/899/899988p1.html
News summary:
LittleBigPlanet - October 29th for PAL countries
PSP model 3000 announced (almost same size as Slim&Light, smoother more curved corners, increased intensity and colors to lcd screen (also much less glare), built in microphone. October 15th in EMEA territories. 199euro w/game, Old PSP's will cost 169euro without)
160GB Limited Edition PS3 for 449euro (comes included with 70euro worth of DL games) October 31st.
PS3 controller Keyboard add-on (attaches on top) with touch-pad for cursor control, coming for eight different languages
Play-TV September 19th
Vidzone for 23 PAL countries. Free Music streaming PS3 app (Q1 09), no charge. Downloads in Q3 09.
Go!View Sky Service (PSP) set for Q3 08
SingStar PS3: You can now rip your old PS2 SingStar games (PS3 firmware upgrade needed)
SingStar DISNEY announced 'Singalong with Disney'
SingStar Turkish Party (!) announced
EyePet announced 'Stroke the animals, draw toys for them' 2009 Impressive Trailer
Heavy Rain *bow* 2009 (Dedicated Thread with Trailers)