[vassvdm]

Also using Play at a start-up, but as a customer-facing web app. It's great for productivity - getting both compile- and runtime errors in the browser kind of means that you have the advantages of Scala/statically-typed languages combined with those of dynamically typed languages. If you're ready to go fully stateless and (mostly) asynchronous/non-blocking, this is the framework for you.

I agree that documentation is still lackluster. I would add that although I love the Scala templates, the support for html forms in Scala is a bit clunky. Also there are still a few too many changes requiring code refactoring on minor releases, but I accept those as a byproduct of quick iterations/improvements.