Because at last years E3 developers were far more optimistic about the PS3 (and pesimistic about the Wii and XBox 360) than they currently are and announced more projects with later planned delivery dates ... Essentially, the big momentium changes in the past year were E3 2006 (where the PS3 announced a $500/$600 system and Nintendo stole the show with a 6 to 8 hour line-up for the Wii) and the launches of the PS3 and Wii (where the PS3 made a far smaller impact than most people anticipated, while the Wii made a much larger impact than anticipated) ... The time many/most projects for Q3/Q4 2007 and Q1/Q2 2008 will be demonstrated (with a reasonably solid release date) is in June at E3 2007 ...