Hi Team System Guys,
This post is to point that there is a cool tool called "VSS Converter GUI" which gives you a graphical representation of VSS Converter Command Tool which is used on your migration from VSS to TFS.
Download this tool :
Don't forget to put the exe in the same folder of VSS Converter.exe file on your mahcine O.W. you will get an error meesage File.IO file not found exception.
Hope this helps...............:)