Hi,
I have released rails_best_practices 0.4.0, rails_best_practices is a code metric tool for rails codes, from 0.4.0, it can check the rails3 codes better.
The project repository is here: http://github.com/flyerhzm/rails_best_practices
In addition, if you want to add your rails best practices into the gem, please post your best practices on http://rails-bestpractices.com
