and have a Ruby version running side-by-side. A few months ago I got interested in JRuby while researching for text mining algorithms. I found some gems but they are either unmaintained or inadequate while the mature libraries I found were written in Java. No problem! JRuby to the rescue. Thank God. Next stop, I decided to take Rails 3 and JRuby for a spin. Incidentally, I will be on a 3-city Rail