the presentation is online and visible at http://www.jboss.com/elqNow/elqRedir.htm?ref=http://www.jboss.com/pdf/jbw_barc/integ_middleware/jboss_portal.pdf.
you should also look at the very interesting presentations of WSRP http://www.jboss.com/elqNow/elqRedir.htm?ref=http://www.jboss.com/pdf/jbw_barc/integ_middleware/ent_portal_wsrp.pdf
and there are a few interesting presentation related to portal too :
- JBoss Reporting Services with JasperReports http://www.jboss.com/elqNow/elqRedir.htm?ref=http://www.jboss.com/pdf/jbw_barc/integ_middleware/jboss_reporting_services.pdf
- Building a Scalable Repository and Portal Integration with JBoss Technology http://www.jboss.com/elqNow/elqRedir.htm?ref=http://www.jboss.com/pdf/jbw_barc/best_practices/building_scalable_repository_portal.pdf