some suggestions and some questions

Sunray's site has the beginnings of a complete Nation and Theme guides (though our progress is limited by the time we have

Find it here:
http://www.freewebs.com/sunray_dom2/

Note that the guides are just one way to play the nation/theme. It is not specifically the "Best" and they are written as suggestions to help you learn and understand their weaknesses and strengths.