I talked with Ariel today and recommended him my favorite Ruby editor for small scripts and apps – SciTE . The nice thing about SciTE is the ability to run your script file from the application via the F5 key. Since we were talking about IronRuby, SciTE gave us good syntax highlighting and auto-completion features, but we couldn’t execute our code on the IronRuby interpreter. BUT… this is a problem of the past now! with a few simple steps, you can turn your SciTE environment to an IronRuby stupendous...