Hi , Some websites that they have tutorials for energy plus. There is an online tutorial, http://www.vibyor.com/tutorials
It's a brief tutorial made by Prof. Vishal Garg, from IIIT Hyderabad,India. There is also a forum on vibyor where the participants of the course can discuss their problems. And another tutorial here: http://www.labeee.ufsc.br/pos-graduacao/ecv_4202/ecv4202_doc.html
There is also the training material designed for University use on the regular website (which is down until 11/16/2010 morning). if some one know some thing else please add to this email with Regards REZA