What are the benefits of using DFS Replication instead of Windows SharePoint Services?
Windows® SharePoint® Services provides tight coherency in the form of file check-out functionality that DFS Replication does not. If you are concerned about multiple people editing the same file, we recommend using Windows SharePoint Services. Windows SharePoint Services 2.0 with Service Pack 2 is available as part of Windows Server 2003 R2. Windows SharePoint Services can be downloaded from the Microsoft Web site; it is not included in Windows Server 2008. However, if you are replicating data across multiple sites and users will not edit the same files at the same time, DFS Replication provides greater bandwidth and simpler management.