Portfolios are about a lot more than just the technology, for example they can support reflective learning, employability, skills awareness, and personal tutoring/supervision.
Reflective learning
Other useful links include:
Learning and Teaching Development Service
Personal Tutoring Framework
Careers Service
Ncl Plus
Newcastle Graduate Skills Framework - supported in the ePortfolio
ePortfolio publications/presentations from Newcastle University
External Links
JISC ePortfolio Toolkit
Centre for Recording Achievement
Researcher Development Framework - supported in the ePortfolio