Thirty-seven Reasons I Love Ruby
What's Shiny and New in Ruby 1.8.0?
Why You Might Want to Try Ruby
Freshmeat article on ruby programming.
Things That Newcomers to Ruby Should Know
Getting Started With Ruby
This document presents some resources available to help newcomers to Ruby solve their problems, advance their knowledge, and participate in the Ruby community.
Ruby, an Introduction
A rather long article that is not quite a tutorial.
Creating Printable Documents with Ruby
In this article, Austin Ziegler introduces the creation of a variety of types of documents with PDF::Writer for Ruby. This introduction covers basic creation, partial document generation and customization, and Rails-generated documents.
The Fivefold Path
What Every Webmaster and Web Developer MUST Know About Ruby on Rails and AJAX