Since you're from a Rails background, it's worth mentioning that you can run JRuby on Rails on Google App Engine. http://olabini.com/blog/2009/04/jruby-on-rail

Since you're from a Rails background, it's worth mentioning that you can run JRuby on Rails on Google App Engine. http://olabini.com/blog/2009/04/jruby-on-rails-on-google-app-engine/ http://olabini.com/blog/2009/04/jruby-on-rails-on-google-app...