I have found excellent Training course for Infopath 2007. It covers following topics.

Lab 1: Publishing an InfoPath 2007 Form Template to a Server Running InfoPath Forms Services
msdn.microsoft.com/en-us/library/bb267334.aspx

Lab 2: Deploying and Managing InfoPath 2007 Forms
msdn.microsoft.com/en-us/library/bb267337.aspx

Lab 3: Integrating InfoPath 2007 with the Data Connection Library
msdn.microsoft.com/en-us/library/bb267335.aspx

Lab 4: Enabling Digital Signatures in InfoPath 2007 Form Templates
msdn.microsoft.com/en-us/library/bb251748.aspx

Lab 5: Importing Word Forms into InfoPath 2007
msdn.microsoft.com/en-us/library/bb251744.aspx

Lab 6: Using InfoPath 2007 E-mail Forms
msdn.microsoft.com/en-us/library/bb251746.aspx

Lab 7: Restricting Permissions to InfoPath 2007 Forms and Form Templates
msdn.microsoft.com/en-us/library/bb251749.aspx

Lab 8: Using the InfoPath 2007 Object Model and Visual Studio Tools for Applications
msdn.microsoft.com/en-us/library/bb251747.aspx

Lab 9: Designing InfoPath 2007 Forms for Mobile Web Browsers
msdn.microsoft.com/en-us/library/bb251745.aspx

Lab 10: Creating and Inserting InfoPath 2007 Template Parts
msdn.microsoft.com/en-us/library/bb267331.aspx

Lab 11: Integrating InfoPath 2007 Forms in Web Sites Using Visual Studio
msdn.microsoft.com/en-us/library/bb267336.aspx

Lab 12: Using SharePoint Server Workflows with InfoPath 2007
msdn.microsoft.com/en-us/library/bb267332.aspx