http://technet.microsoft.com/en-us/library/cc773238.aspx

Interoperability
Can DFS Replication communicate with FRS?
Can DFS Replication replace FRS for SYSVOL replication on Windows Server 2003 R2?
Can I upgrade from FRS to DFS Replication without losing configuration settings?
Can I use DFS Replication in a mixed Windows/UNIX environment?
Can I use Volume Shadow Copy Service with DFS Replication?
Do file system policies impact DFS Replication?
Does DFS Replication replicate mailboxes hosted on Microsoft Exchange Server?
Does DFS Replication support file screens created by File Server Resource Manager?
Is DFS Replication cluster aware?
Is DFS Replication compatible with RIS and WDS?
Is it possible to use DFS Replication with Offline Files?
What antivirus applications are compatible with DFS Replication?
What are the benefits of using DFS Replication instead of Windows SharePoint Services?

Limitations and requirements
Can DFS Replication replicate between branch offices without a VPN connection?
Can DFS Replication replicate files encrypted with the Encrypting File System?
Can DFS Replication replicate Outlook .PST files?
Can I use DFS Replication in a workgroup?
Can more than one folder be replicated on a single server?
Does DFS Replication require DFS Namespaces?
Does DFS Replication require time synchronization between servers?
Does DFS Replication support replicating an entire volume?
Does DFS Replication support RPC over HTTP?
Does DFS Replication work across wireless networks?
Does DFS Replication work on FAT volumes?
Does DFS Replication work with sparse files?
Do I need to log in as administrator to replicate files?
Is DFS Replication suitable for replicating roaming profiles?
Is there a file character limit or limit to the folder depth?
Must members of a replication group reside in the same domain?
What are the supported limits of DFS Replication?
When shouldn't I use DFS Replication?
Why is a schema update required for DFS Replication?

Monitoring and management tools
Can I automate the health report to receive warnings?
Can I use Microsoft Operations Manager to monitor DFS Replication?
Does DFS Replication support remote management?
Do Ultrasound and Sonar work with DFS Replication?
Is there a way to know the state of replication?

Performance
Does DFS Replication support dial-up connections?
Does DFS Replication perform bandwidth sensing?
Does DFS Replication throttle bandwidth per schedule, per server, or per connection?
Does DFS Replication use Active Directory Domain Services to calculate site links and connection costs?
How does DFS Replication avoid saturating a connection?
How does DFS Replication performance compare with FRS?
How frequently does DFS Replication replicate data?
How much of my server's system resources will DFS Replication consume?
What happens if a WAN link fails during replication?
Remote Differential Compression details
Are changes compressed before being replicated?
Can an administrator turn off RDC or change the threshold?
Does RDC work on all file types?
How does RDC work on a compressed file?
Is cross-file RDC enabled when upgrading to Windows Server 2003 Enterprise Edition?
Is RDC true block-level replication?
What happens if I rename a file?
What is cross-file RDC?
What is RDC?
When is a RDC used for replication?

Replication details
Can I change the path for a replicated folder after it is created?
Can I configure which file attributes are replicated?
Can I control which member is replicated?
Can I seed a replication group member with data prior to the initial replication?
Does DFS Replication overcome common File Replication Service issues?
Does DFS Replication replicate files in chronological order?
Does DFS Replication replicate files that are being used by another application?
Does DFS Replication replicate NTFS file permission, alternate data streams, hard links, and reparse points?
Does DFS Replication replicate timestamp changes if no other changes are made to the file?
Does DFS Replication replicate updated permissions on a file or folder?
Does DFS Replication support merging text files in the event of a conflict?
Does DFS Replication use encryption when transmitting data?
Is it possible to disable the use of encrypted RPC by DFSR?
How do I force replication or polling?
Is it possible to configure a quiet time between replications for files that change frequently?
Is it possible to configure one-way replication with DFS Replication?
Is there a way to force a complete replication of all files including unchanged files?
What happens if the primary member suffers a database loss during initial replication?
What happens if the replication schedule closes while a file is being replicated?
What happens when two users simultaneously update the same file on different servers?

Staging
Does DFS Replication prevent other applications from accessing a file during staging?
Is it possible to change the location of the staging folder with the DFS Management Tool?
When are files staged?
What happens if a file is changed after it is staged but before it is completely transmitted to the remote site?