The folks at Channel 9 have published a list of Certification Exam preparation session from TechEd North America 2014. Among them is a session for SharePoint 2013.
This Exam Prep session is designed for people experienced with SharePoint Server 2013 and who are interested in taking the 70-331 (Core Solutions of Microsoft SharePoint Server 2013) and 70-332 (Advanced Solutions of Microsoft SharePoint Server 2013) exams.
So if you re interested in getting SharePoint 203 certified you should go and watch this session now. Enjoy 🙂