Grails - user - Should I use Grails? :-)

Grails - user - Should I use Grails? :-)

I know this is a bit like kicking a hornet's nest but...

I'm starting a project and I want to know if I should use Grails or ROR. I've been watching and playing with Grails since the 1.x days and wonder if the framework is secure enough to use for a real, large scale, project.