Examples

Lizabeth's Portfolio (UBC) with standards-based blog entries (using UBC server)
Graduate Student's portfolio (SPU) with standards-based blog entries organized by categories (using WordPress.com)
Dr. Barrett's professional portfolio without blog entries (organized using pages and sub-pages using WordPress.com)
HeyJude - a teacher portfolio
m-Folio - a version of an online portfolio that can be viewed with a mobile device - see another version for regular computer screen - both done in WordPress.com