Self promotion, but I recently published an intro to ECS after doing an extensive evaluation:<p><a href="http:&#x2F;&#x2F;www.infoq.com&#x2F;articles&#x2F;intro-aws-ecs" rel="nofollow">http:&#x2F;&#x2F;www.infoq.com&#x2F;articles&#x2F;intro-aws-ecs</a>.<p>ECS is solid.  Happy to answer any questions on it.