Here. Valve must be laughing all the way to the bank. Ubisoft announced today that it's bringing 40 games to Steam, a deal that makes it the most prolific on the download service.
Assassin's Creed is already to pre-purchase on Steam, but the new deal will see the Tom Clancy series, the Heroes of Might & Magic series, the IL-2 Sturmovik games and Far Cry added.
More through the link.