In the book, I see a chapter about "Configuring other types of version control systems", other types meaning other than CVS. I'm using CVS most of the time, but remember using VSS in the past (the fool). There was a nice plugin in Eclipse to actually use VSS within the editor.
The VSS support in IntelliJ is pretty good...taken into account what a poor version control tool VSS is. It has a much better diff tool than VSS. One annoying omission is that it does not warn you when you check out a file that is already checked out by another user.