There hasn't been a better time to migrate to the newest Microsoft source control offering, Microsoft Visual Studio 2008 Team Foundation Server, because Microsoft Visual SourceSafe support is ending soon and Team Foundation Server will be part of Microsoft Developer Network (MSDN) subscriptions in 2010.
In this geekSpeak, Microsoft Most Valuable Professional (MVP) Ed Blankenship discusses migrating source code from Visual SourceSafe, including the history. Ed discusses specific version-control features to help you become more productive like branching and merging visualization, annotate, shelving, and gated check-in. This geekSpeak is hosted by Glen Gordon and Brian Hitney.
Here are the links Ed mentioned in the show.
Whitepaper – “From VSS to TFS”: http://sstjean.blogspot.com/2006/10/document-from-vss-to-tfs-introduction.html
Whitepaper – Exposing TFS to the Internet: http://blogs.msdn.com/ablock/archive/2009/08/24/exposing-tfs-2010-beta-2-to-the-internet.aspx
Visual Studio 2010 and .NET 4.0 Training Kit (Labs, Videos, Slide Decks, etc.): http://www.microsoft.com/downloads/details.aspx?FamilyID=752CB725-969B-4732-A383-ED5740F02E93&displaylang=en