A new course by Ben Orenstein, the author of Upcase. It's for you if you've worked on a Rails app long enough to see development slow down and if shipping features faster is a priority. Because great code ships faster.
An intro to CQRS - the Command Query Responsibility Segregation. It's the notion that you can use a different model to update information than the model you use to read information. Martin Fowler talks about the benefits and potential risk due to this approach.