After understanding the workflow used by experienced Git users and its benefits, I started to think the other way around: why use CVS when I can use Git.
Then I decided to move binpatch and Ruby/Informix repositories to github.com. Forking, contributing or just tracking the changes is now easier, through an easy to use interface, source code browser with history and RSS feeds.
The following links were especially useful to make the switch:
Binpatch and Ruby/Informix repositories can be found here.