Some Good Ruby Tutorials

I have done most of my web development work in ASP.Net or Java. I have been thinking about learning one of other web development languages, particularly the new ones which are famous for their expressiveness. Finally I have started with Ruby. I found some very good interactive tutorials:

TryRuby.org

Level: Beginner
Duration: 30 minutes

RubyMonk.com

Discover Ruby idioms, learn lessons and solve problems, all in your browser!

Level: Intermediate
Duration: 2 hours