Hey, Sony's GamesCom press conference is just about to get underway, and our pals from Joystiq are there covering it live. We just got sent this leaked memo on Sony's presentation, and it says there'll be an "unannounced Playstation 3" on stage, so it seems like the PS3 slim is even more of a lock than before -- but what are you waiting around here for? Go hit the liveblog!Filed under: Gaming