The killer combination for me is branching + distributed. Your branches don't have to be mirrored on a remote server for all to see. Branching & merging are al

The killer combination for me is branching + distributed. Your branches don't have to be mirrored on a remote server for all to see. Branching & merging are also insanely easy to do, so I find that I develop almost all new features in their own branch, and I can easily just throw them away if I want, I never did this with subversion.