Amazon Drive goes unlimited: $11.99/year for photos and $59.99 for everything
venturebeat.com
venturebeat.com
Actually there is some kind of uploader: https://www.amazon.com/gp/drive/app-download
But if they don't have a fully synchronization app, I doubt that this will be a dropbox killer...
Something built with rsync and optional encryption like in duplicati would be awesome...