Git is mainly effective/faster when used at command line. There are efforts in building UI around it like Eclipse plugin, but they aren't completely done. I am more comfortable at terminal, so haven't checked the UI progress lately.
With agile practices like pair programming, combined with distributed development - people want a distributed source control system that is snappier and comes with tools.
Couple of interesting things I liked from git are:
Git-Daemon: git-daemon utility bundled with the git release is a quick way to share your code across the network. Say you are at a barcamp or a cofee talk meet with a friend. he can share his local git repository over the network just by running
git-daemon --base-path=parent_path_to_the_repoAnd you could clone his repository to your local by
git clone git://server-location/repoGit-SVN: Those who are using SVN as production repository for your source code could still use git locally. git-svn helps you to sync the current workspace code into SVN directly. This is another reason for people to start using git locally, to get all the benefits of it; and still check into SVN as corporate needs you to.
Git-Stash: Git stash could be said as a coding context, say you have modified couple of files to fix bug 121 - you could create a context that store the files that were changed. Then it reverts the code to the HEAD (clean) state, so you could attack bug 75 and commit it before merging back the code for bug 121. These contexts are easy to create and so convenient in labeling them correctly.
The Dilemma:
For those still saying - 'yeah, git is cool. but with the whole distributed thing - isn't there a chance that I loose control of the code my developers do for me? How do I track them?'
Checking the code into the repository often is a practice of discipline, it could happen with use of any repository. With git you could ask your new developer to share his local git repository so you could give an overview, rather waiting until he gets access to the central repository & checks in his crap. In fact git gives the ability to pull code/feedback earlier, than until something gets checked in.
Getting developer access to central repository is a longer process normally in any corporate, instead of waiting for that time the developer can start coding, and as a lead you could keep track on progress.
Those who are looking for patterns to control the repository effectively look at this presentation: http://www.slideshare.net/err/git-machine starting from slide no.72 the author have pointed out several patterns (Anarchy, Blessed, Lieutenant, & Centralized) to manage the repository.
With all said, its time everyone should consider a distributed source control system - because it enables developers, and with a pattern you chose to control your repository its a win-win.
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