hi,
Very simple questions.
1.
You have an architecture Spring based. Is there any reason why you want to introduce Grails into that architecture? What would it bring to the table?
2. (same question other way around)
If you use architecture is already very Grail centric - what could you utilise from Spring MVC, Spring WebFlow?
"Is there any reason why you want to introduce Grails into that architecture?"
One of the reasons is that the development is faster in Grails. Grails has lots of plug-ins which can be used directly instead of developing the functionality from the scratch.