Microsoft will be offering “high-definition” content from the upcoming E3 conference through its Xbox Live Marketplace service. The company said that it will be releasing a download of its E3 press conference, which is scheduled to take place at 8:30 PM PST on July, sometime “later” in that week as well as themes, pictures, demos and game trailers.

Covered titles include Ace Combat 6 : Fires of Liberation, Assassin’s Creed, BioShock, Blue Dragon¸ Burnout Paradise, Call of Duty 4 : Modern Warfare, FIFA Soccer 08, Guitar Hero III, Lost Odyssey, Madden NFL 08, NCAA Football 08, Need for Speed : ProStreet, Project Gotham Racing 4, The Simpsons Game, Tiger Woods PGA Tour 08 and WWE SmackDown vs. Raw 2008.