A page to help decide whether Bazaar is the right VCS for you:
One of the great things about Bazaar is its adaptability to different ways of working .... Workflows can be changed, mixed and matched as required.
Tailor is a tool to migrate or replicate changesets between ArX, Bazaar, Bazaar-NG, CVS, Codeville, Darcs, Git, Mercurial, Monotone, Subversion and Tla repositories.