Most any Flatbed Scanner that lets you remove the top (Lid) will do well.... Removing the top provides a jet black background for the scanned image. Mine is a 6 year old HP Scanjet 5590. These can be purchased all day long for $50ish dollars. I use Picassa for editing photos - is also freeware.
http://www.ebay.com/itm/HP-ScanJet-5...item1c505f9d67