A JISC infoNet infokit on e-portfolios. Lots and lots of useful information about e-portfolios here including 'what are they?', what e-portfolio systems are available, case studies of their use etc.
Integrating reflective practice into the curriculum
This section considers the integration of reflective practice into the curriculum, addressing such issues as the alignment of learning objectives with assessment outcomes and the assessment of reflective practice, including dealing with disclosure and providing feedback, and collaboration, groupwork and plagiarism.
I found this a while ago. It's interesting but I don't actually think it's that good a report, it doesn't compare things consistently. It does have a nice section on guidelines for running a session in a virtual classroom. We should probably write our own ESD 'virtual classroom' review and this report would provide a good starting point for putting together some criteria to review against.