Today we released “Silverlight Bridge - A Silverlight 4 File Manager”

Silverlight Bridge can run in "Out Of Browser" mode and access the local file system and allow dragging and dropping of files from the local file system to the server.

Requires:

• SQL 2005 or higher
  
• Silverlight 4 (currently in Beta)
  
• ASP.NET 4.0 (currently in Beta)
  
• VS2010 (currently in Beta)
  
• It will NOT run on ASP.NET 3.5 and Visual Studio 2008
  
• Not for production use

You can download it here: http://silverlightbridge.net