If you have not had the pleasure of Subversion , well, its probably time. Its a grownup CVS and worth your time to investigate it.
The links below are a good start.
Start Here "The Subversion Site "
The Book "User Manual "
The "GUI "
The way to Conversion From CVS to SVN
Its the way version control is getting done now. Its not that steep of a learning curve and will offer a stronger and more productive solution.
Enjoy
SOS