This article is quite old. Time flies when you're having fun. I've been writing for my blog for a long time. Stuff changes fast, especially in the Ruby world. That's why I've put this warning on old posts. The article might still be valid, though.
The Future of I18n in Ruby on Rails @ RailsConf
Sven Fuchs put his presentation of i18n in Ruby on Rails online. A fine presentation! A must read for every Rails developer!