将文件添加到全文索引而不将它们存储为blob

Is there a way to add files to a sql server index without adding them as blobs to the database? Currently we do extract the text content of all our pdf files usind pdf2text and store them as a blob. This way, sql server can add the texts to his index. But this is a big waste of space. We are using sql server 2005. Can the new filestream type of sql server 2008 handle this?Is there a way to add files to a sql server ind