Klar, hier gibt es wesentlich mehr zu nennen, als für den deutschsprachigen Raum:

RubyOnRails.com
http://wiki.rubyonrails.com/rails/pages/Tutorial

o'reilly: Rolling with Ruby on Rails, Part 1 & 2, AJAX on Rails
http://www.onlamp.com/pub/a/onlamp/2005/01/20/rails.html
http://www.onlamp.com/pub/a/onlamp/2005/03/03/rails.html
http://www.onlamp.com/pub/a/onlamp/2005/06/09/rails_ajax.html

IBM
http://www-128.ibm.com/developerworks/linux/library/l-rubyrails/

Four days on Rails
http://rails.homelinux.org/

Webmonkey
http://www.webmonkey.com/05/28/index4a.html

Slash7
http://www.slash7.com/articles/2005/01/24/really-getting-started-in-rails

Distributing Rails Applications
http://www.erikveen.dds.nl/distributingrubyapplications/rails.html

Tutorial mit dem Schwerpunkt "Datenbank"
http://jrhicks.net/Projects/rails/has_many_and_belongs_to_many.pdf

RoR mit Lighttpd und MySQL
http://digitalmediaminute.com/howto/fc4rails/

Tutorialized
http://www.tutorialized.com/tutorials/Ruby-on-Rails/1