How about Vault? http://www.sourcegear.com/

>I expect to be using Visual Studio 2005 soon, and I was hoping to get some recommendations for source code management. I am using Visual Soucesafe 6 with VS.NET 2003 now, and it works well. I have heard about the VS 2005 Team Management tools also. For now there will be one developer, but more will be added down the road.
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>Thanks for any suggestions.