official site http://www.rubymotion.com/
official google group http://groups.google.com/group/rubymotion (needs approval)
original rubymotion post on HN http://news.ycombinator.com/item?id=3924657
good introductory screencast duration 50 minutes http://pragmaticstudio.com/screencasts/rubymotion code https://github.com/pragmaticstudio/studio-bonus-tracks/tree/master/episode-020
ruby5 podcast mention at 6:30-6:50 http://ruby5.envylabs.com/episodes/273-episode-269-may-4th-2012/stories/2405-rubymotion
reviews
arstechnica http://arstechnica.com/business/news/2012/05/exclusive-building-ruby-ios-applications-with-rubymotion.ars
review from the author of Macruby book http://merbist.com/2012/05/04/macruby-on-ios-rubymotion-review/
http://thechangelog.com/post/22382632321/ruby-motion-samples-write-iphone-apps-in-ruby
http://samsoff.es/posts/rubymotion-review
http://joshsymonds.com/blog/2012/05/04/why-rubymotion-is-better-than-objective-c/
http://blog.hackplanet.in/2012/05/rubymotion-ruby-for-ios.html
http://daringfireball.net/linked/2012/05/03/rubymotion
blogs and projects
http://www.biggermind.com/?p=176 Using ZXing with RubyMotion
http://stirredbits.com/blog/2012/05/06/rubymotion-completion-with-emacs/ emacs completions for Rubymotion
http://ianp.org/2012/05/07/rubymotion-and-interface-builder/
http://reality.hk/posts/2012/05/05/using-3rd-party-ruby-library-rubymotion/