在SQL Server中存储文件还是将它们保存在文件服务器上？

Currently we have thousands of Microsoft Word files, Excel files, PDF's, images etc stored in folders/sub folders. These are generated by an application on a regular basis and can be accessed at any time within that application. As we look to upgrade we are now looking into storing all these documents within SQL Server 2005 instead. Reasons for this are based on being able to compress the documents, adding additional fields to store more information on those documents and applying index’s where necessary.Currently we have thousands of Microsoft Word f