Microsoft also announced that a selection of game trailers, themes, gamer pictures and demos will be showcased during E3 Media & Business Summit 2007, from Tuesday, July 10, through Friday, July 13 2007. The Microsoft line-up includes titles like Assassin's Creed, BioShock, Call of Duty 4: Modern Warfare, Need for Speed: ProStreet and Project Gotham Racing 4. Check the press release for details.