Bungie is set to appear and show Halo Reach at this year's GamesCom 2010.
Community content writer and all around family man, urk, in a recent update proclaimed,
"Next stop, Gamescom. Bring a change of pants, people. Youre gonna need em."
Microsoft Keynote: August 17th UK 11.30am US 6.30am (ET)
Live Stream of Webchat Q & A with Bungie: August 18th US 1.30 PM (ET)
ViDoc: A Spartan Will Rise Direct Download | YouTube
Firefight Map "Corvette" Revealed | Offscreen Action Part 1 | Part 2 | Part 3 | Part 4 | Part 5
Official Firefight Video of Corvette
Official Firefight Video of Outpost
Campaign Intro Demonstration: Warning for Spoilers
Live Action Trailer: Deliver Hope
Live Action Trailer: Patrol | Live Action Trailer: Remember Reach
Halo Waypoint coming to Windows 7 Mobile Phones
German Video Interview: About Halo Reach
French Video Interview: A Summary
Gamespot Video Interview: Confirms Campaign Matchmaking
Editor's Note: I will be updating the OP as more relevant information becomes available.
WARNING: HALO REACH HAS LEAKED ONTO THE INTERNET. Please use appropriate spoiler tags and be considerate.