How is git "a serious obstacle"? It used to be only for experts in arcana, but today it is much more (user)friendly. Try a recent (1.6 or later) version on your "technically unsavy" users before ...

Do you use source control tools to manage your software development process? Source control was the very first item on Joel Spolsky's Joel Test for the quality of a development team back in 2000.

Why use Mercurial? Why use command line tools? Mercurial (Hg) is a powerful and sleek distributed version control system (DVCS). It's quick and gives you the ability to do anything you'd ever want ...