The paper presents a preliminary analysis of some intelligent decision support systems for sustainability from the point of view of the end user experience, by comparing up to four available systems. The role that these kind of ICT tools play on the improvement of several sustainability goals in different scenarios is analyzed as well. The results of this research are the outcome of an innovative methodology for teaching Intelligent Decision Support Systems to students of a master on Sustainability given at the UPC. The interest of the proposal from the educational point of view is that in short time it empowers students not necessarily skilled in ICT to get a useful overview of what intelligent decision support systems are and how they ca...