If your organization is using SVN stick to SVN because your learning curve will be easier (rather than trying to learn two differen VCS systems). Otherwise, I

If your organization is using SVN stick to SVN because your learning curve will be easier (rather than trying to learn two differen VCS systems). Otherwise, I highly suggest Mercurial; it "just works", has a powerful feature set, and I like bitbucket.org better than github :) The debate between bzr, hg (Mercurial), and git can become religious because all the tools are good.