Place any ePortfolio products/services/applications you come across here (including links) and we can start to create a feature matrix when doing a compare and contrast.
A few links (these two have listservs), there are matrixes of ePortfolio systems in some of them.
http://www.aaeebl.org/ - Association for Authentic, Experiential and Evidence-Based Learning
http://epac.pbworks.com/ - Electronic Portfolio Action and Communication -
http://eportfolioca.org/ - ePortfolio California