Cool! For people that dislike YAML (or they prefer INI or XML grrrrr!
over it) you should read about how it's used in Symfony [1] to
configure its configuration files.
Sure that YAML spec is more complex than to use a simple parser for
INI files, but it's more flexible and powerfull.
[1]
http://www.symfony-project.org/book/1_0/05-Configuring-Symfony