I'm a Principal at ThoughtWorks, classical composer, and physics amateur.
Stuart Halloway posts a clever take on a successor to Java: all of the above. This is part one of a series based on his No Fluff, Just Stuff presentation.
His post also gave me a quick look at side-by-side syntax for common features. I was surprised that out of clojure, jruby, groovy and scala, I preferred groovy.