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 101 Training - Online Webinar
Qdabra InfoPath Master Training - In-Person option.
Qdabra InfoPath Master Training - Online Webinar Version.
InfoPath Master Class Contents - includes presentation slides, hands-on labs, samples, and recorded video. Attendance of the course is not included.