We are considering building a DataSift API connector. Please let us know if you are currently using their data (or contemplating) and would benefit from this feature.
In their own words: "DataSift Inc. is enterprise social data platform, enabling companies to aggregate, filter and extract insights from the billions of public social conversations on Twitter, leading social networks and millions of other sources. DataSift provides access to both real-time and historical social data to uncover insights and trends that relate to brands, businesses, financial markets, news and public opinion."