scala, clojure, JRuby and groovy each has a lot to recommend it, groovy has the performance/benchmark skeleton in the closet (not meaning you'll hit a wall, bu

scala, clojure, JRuby and groovy each has a lot to recommend it, groovy has the performance/benchmark skeleton in the closet (not meaning you'll hit a wall, but meaning you'll have to convince your VP Eng or client or whatever that you won't hit a wall) (and why is it not in Alioth language shootout? ATS is brilliant, but how many devs could tell you anything about it?) http://groovy.dzone.com/articles/groovy-action-how-make-5000 http://groovy.dzone.com/articles/groovy-action-how-make-5000