It has happened! The Half-Life 2: Source Software Development Kit has been released by Valve.
Although we won't have anything for you instantly, we will keep the community apprised with little things along the way, such as demos, sample plugins, and header code so people can start seeing how to mod for SourceMod.
The recent Scripting Language poll was a huge hit, and it was interesting to see what everyone thought of different languages. First, the news that will please everyone:
The prospect of being able to do things like:
var name = player.name()
get_user_name(id, name, 23)
Should be appealing to people. Again, more information will be available as we get things done.