Blizzard Entertainment's 3rd instalment of the Diablo franchise is rumoured to be released this coming Christmas with the online beta multiplayer trial to open on 11th September, 2009.
"It was unveiled on June 28, at the 2008 Blizzard Entertainment Worldwide Invitational in Paris, France. Development on Diablo III began some time in 2005 when Blizzard North was still in operation. Four years is about time for a game release.

Associates working on a Diablo 3 game design have supplied the following information.

The release date for the online beta multiplayer trial version is currently set to:
11th September, 2009

The final version, available for purchase is to be released before Christmas:
24th December, 2009"