This is great!
Finally the JVM has been leveraged for over 200 other languages. Scala is one of the more popular ones. Lots of startups talking about it.
But I gotta say, now that I know Grails, and even got paid to learn it, I might just keep on using it.
Yes, sure, there are a lot of things wrong with it, and I can still make a project in PHP faster, but I finally passed that inflection point, where it would be worth while using.