Yes, we’ve heard your feedback and the Exchange Deployment Assistant for Exchange Server 2013 is on the way!
We want to let you know that we’re working, right now, on the Exchange Server 2013 Deployment Assistant. It will be very similar to the current Exchange Server 2010 Deployment Assistant. Don’t worry, the 2010 version will live on. But, we want to provide the same step-by-step upgrade and deployment guidance for the new Exchange as well! We expect to release initial scenarios like a greenfield Exchange 2013 on-premises installation and Exchange 2013 hybrid deployment scenario early next year and then add additional scenarios over time.
In case you’re not familiar with it, the Exchange Server 2010 Deployment Assistant is a web-based tool that helps you upgrade to Exchange 2010 on-premises, configure a hybrid deployment between an on-premises and Exchange Online organization, or migrate to Exchange Online. It asks you a small set of simple questions, and then based on your answers, it provides a checklist with instructions to deploy or configure Exchange 2010 that’s customized to your environment.
--> Please see the rest on the blog : http://blogs.technet.com/b/exchange/archive/2012/10/08/exchange-deployment-assistant-for-exchange-server-2013-is-on-the-way.aspx