SVN) to Mercurial.
We have actually had great success with Subversion (SVN). We moved from CVS several years ago and have never regretted it. With it's improved rename and move support and cleaner branching SVN was an easy decision.
Now we find ourselves, once again, pinning for the capabilities of a Version Control System that we don't have. We are also in the throws of moving build servers from Luntbuild to Hudson. So, over the next few posts I'll discuss our experiences with moving from SVN to Mercurial.