Some Game Shops are listing Diablo III for pre-order in UK at the price of 24.99 Euros. It is incredible how some of these shops claim the game is shipping in 149 days when the other classes have not been announced yet.  There is much more to be revealed. So don't hold your breath until Blizzard gives fans the official release date via Press Release.  Below is a very informative summary for you to digest:

Diablo III is being developed as the definitive action role-playing game, and a true continuation of the Diablo series. Players will create a hero from one of five distinct classes, such as barbarian or witch doctor, each equipped with an array of spells and abilities. As these heroes adventure through rich and varied settings, unraveling an epic storyline and engaging in combat with hordes of monsters and challenging bosses, they'll grow in experience and ability and acquire items of incredible power.

The game takes place on Sanctuary, a world of dark fantasy. Unbeknownst to most of its inhabitants, Sanctuary was saved some twenty years ago from the demonic forces of the underworld by a few brave and powerful heroes. Most of those warriors who directly faced Hell's armies - and were fortunate enough to survive - went mad from their experiences. And most of the others have buried their haunted memories and pushed the horrors from their thoughts. In Diablo III, players will return to Sanctuary to confront evil in its many forms once again.

Diablo III will be a fitting sequel to Diablo II, with the easy interface, fast-paced action, and visceral gameplay that Diablo players have come to expect and enjoy. It will also include many new features that will take the Diablo action-RPG experience to the next level!

Diablo III for PC Features:

    * Five powerful character classes to choose from, including the barbarian and witch doctor.
    * Brand-new 3D graphics engine enhanced with spectacular visual effects and Havok physics.
    * Numerous indoor and outdoor areas detailing new regions in the world of Sanctuary.
    * Interactive environments with dangerous traps and obstacles, and destructible elements.
    * Randomly generated worlds bolstered by scripted events for endless and dynamic gameplay.
    * Vast assortment of fiendish monsters, with unique attack patterns and behaviors.
    * New quest system and character-customisation options for the ultimate action RPG experience.
    * Multiplayer functionality over Battle.net with support for cooperative and competitive play.

Thanks,  Kieran (UK)