"grails not written in java" - was a bit disappointing to read this - it mostly is (the spring base) and you can write pretty much all in java if you want, alth

"grails not written in java" - was a bit disappointing to read this - it mostly is (the spring base) and you can write pretty much all in java if you want, although groovy lets you be a bit more concise for a (usually) small speed penalty.