I'm a heavy git user, hence I'm always trying to improve my workflow while using it. I normally have 3 ways of using git. I could use a gui client (sourcetree), normally I do this when I'm preparing a new release.
On my daily code day I would use git inside Sublime Text 2. That way I don't need to constantly change between my text editor of choice and a git gui or the terminal. However, from time to time, I use just the terminal. That happens for two reasons, one I could be using git remotely, or I could be doing something more difficult that couldn't be resolved inside sourcetree or Sublime Text.