I see last month
The GNU Compiler Collection converted from using CVS to using
Subversion. This re-enforces my good feeling from converting two companies myself.
The only trouble we've had with Subversion recently was when the workspace got some of it's meta data knickers in a twist and out of step with the real contents of the workspace. One of the source files was locked open so Subversion couldn't update it with the latest changes from the repository. The moral is to always save and close all files before updating or committing. Many a Visual Studio project file has missed the check-in boat because the integrated Visual Source Safe functions tend to over look the project file itself.