For version for MOSS 2007/WSS 3.0 press here

SharePoint Scanner Plug-in 2010 is a powerful tool for scanning documents right into a document library. Scanner Plug-in is realized as set of Microsoft SharePoint 2010 features and distributed as SharePoint solution (wsp).
SharePoint Scanner Plug-in 2010 Professional also includes option to convert image to text (perform OCR*): scanned documents may be saved as searchable PDF.
SharePoint Scanner Plug-in 2010 uses advanced compression technologies to enable best document quality with smallest file size.

SharePoint Scanner Plug-in 2010 supports all types of scanners: simple desktop and professional scanners with feeders.
SharePoint Scanner Plug-in 2010 supports both Microsoft SharePoint Server 2010 and Microsoft SharePoint Foundation 2010

* Microsoft Office 2007 is required for OCR functionality. You can use the Plug-in without Office 2007 to create regular scanned documents without OCR functionality.