some interesting links to get started with RoR -
( Ruby and Ruby on Rails.)

Heinemeier Hanson Blog ( the guy who invented Rails ;)
Getting started with Ruby (An excellent place to get started with links to other resources.)
12 Rails Turorials from Digitalmediaminute (Download Ruby and read Ruby documentation.)
Ruby Home Page (News, updates, resources, development, etc)

Ruby Cookbook (A Ruby cookbook geared toward both novice and advanced programmers.)
Ruby Central (A growing web resource for everything Ruby related.)
Programming: Ruby - Wikibooks (How to get started with an apparent thorough overview of the language.)
Cetus Links: Ruby Resources (Ruby resource with link collections, faqs, newsgroups, mailing lists, articles, and books.)
Features of Ruby (By Michael Neumann in English and German.)
Ruby appliations and libraries
Ruby XML (News and information on XML and Ruby.)