Greg has posted that he has created a sample app for CQRS, which you can find here.
It is indeed called “SimplestPossibleThing” and it’s pretty accurate, but it is good code to review. I especially like “InfrastructureCrap.DontBotherReadingItsNotImportant.cs", I mean, come on, what else would you look at first.
Seriously though, it’s important to see a simple implementation of all of the main components. Check it out.