This is in regard to the "Live for You" webcast series we held in November. (You can find the videos here).
The Live team as just release version 1 of the Windows Live SDK which is an aggregation of all documents pertaining to the Live services for developers. This is a great milestone as it will make things a lot easier for you to locate information. You'll find things like:
Lots more sample code!
Weather and Movie Time queries
Support for keyword/placename queries (ex: coffee seattle)
Increased number of results returned (from 250 to 1,000)
Easier to write paging algorithms
Support for file type filtering
Support for the zh-CN market for Web and News queries
Local query support in additional markets
Enhanced functionality for SearchTags (ex: filtering)