This guy did a great write-up.<p>tl;dr: Azure had many more steps and inferior client experience (Silverlight bugging out for example).<p>AppHarbor: http://jasonsirota.com/deploying-an-on-premise-app-to-the-cloud-a-pa<p>Azure: http://jasonsirota.com/part-2-deploying-an-on-premises-aspnet-mvc-ap