Qdabra, one of the leading voices in InfoPath today, provides advanced InfoPath training for users who are ready to move beyond the basics.
Qdabra InfoPath Beginner to Intermediate Training - Online Webinar
Qdabra InfoPath Intermediate to Advanced Training - In-Person option.
Qdabra InfoPath Intermediate to Advanced Training - Online Webinar Version.
InfoPath Training Class - Intermediate to Advanced: Contents - includes presentation slides, hands-on labs, samples, and recorded video. Attendance of the course is not included.