ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for FolderSizes
FolderSizes is a disk space analysis utility which provides users and network administrators alike with information into how their local and network drive space is being consumed. It employs a file system scanning engine that works against mapped drives, UNC paths, and local devices. FolderSizes can export its disk space analysis reports in a variety of formats, including HTML and XML, all accessible via a command interface for scheduling and systems integration.