Ask HN: Play framework vs Grails

Hey everyone,

Firstly, let me begin by saying that the reason it's down to these 2 frameworks is because my team is mostly Java-based.

I'm trying to develop a BI portal and am evaluating both these frameworks. I have heard some great things about Play (especially from LinkedIn) but have heard even more great things about Grails. An article pointed out that Grails has more plugins and etc.

I just wanted to get the HN crowd's opinion on these 2 frameworks. I've been able to build toy applications on both but I don't think it's substantial enough to teach me about the pains.

My main concerns are that Play framework is moving to Scala and it's more hype than substance (according to an article I read).