I didn't watch it back then but I think that Sony's E3 conference in 2009 would've been sick to experience live and I still think it's unmatched regarding showings of huge upcoming titles.
https://www.youtube.com/watch?v=hhuZYpBiFzw&list=PL02B4518569AD63D7
PlayStation 3
Uncharted 2: Among Thieves
God of War III
Gran Turismo 5
Ratchet & Clank: A Crack in Time
Final Fantasy XIV
Metal Gear Solid: Rising
Agent
The Last Guardian
ModNation Racers
MAG
Heavy Rain
White Knight Chronicles
etc.
+ 50 new PSOne Classics
+ new hardware (PlayStation Move)
PlayStation Portable
Metal Gear Solid: Peace Walker
Jak and Daxter: The Lost Frontier
Gran Turismo Portable
Resident Evil Portable
etc.
+ new hardware (PlayStation Portable Go)