List Bulk Import

• Import both metadata properties and attached documents.
• Allow users to map fields between source and destination lists.
• Provide value mapping for choice and lookup fields (i.e. source:Yes = destination:True).
• Import Excel, CSV or text delimited files.
• Import data into existing lists that already have data.
• Check for duplicate existing records, then skip the duplicated record or update with new data.
• Works with many lists including Document and Picture Libraries.
• Automatically import sub folders and create same hierarchy in the target document library.
• The ability to automatically rename files to avoid overwriting of existing files.
• Import parameters can be saved and re-used for subsequent import runs.
• Option to run in the background with scheduled intervals.
• Post-import log file provides summary of success and failure records.
• Import one SharePoint list to another, even across sites, and from MOSS/WSS v3 to SharePoint Server 2010/Foundation 2010.
• Import data from a database table or view into a SharePoint list.
• Import versions of Issues Lists and Document Libraries.
• Import files from network folders into SharePoint Document and Pictures Libraries.
• Supports ASP.NET 2.0.
• The Bamboo Attachments Clean Up Application allows you to automatically clean up attachments that are deleted during a normal import update process. Primarily for those users using Bulk Import as a syncing tool, this application moves them from the primary recycle bin to the secondary recycle bin, keeping your database from growing due to large deleted items.
• Now supports importing from MOSS/WSS 3 to SharePoint Server 2010/SharePoint Foundation 2010.  
• Now supports import to and from Hyperlink (URL and Description) and Image column types.  
• Automatically empty the SharePoint list you are importing to before importing.
• http://store.bamboosolutions.com/sharepoint-list-bulk-import.aspx