Encontrei num post do blog do JOPX, este conjunto de recursos sobre InfoPath 2007.
InfoPath General OverviewInfoPath team BlogDesigning Form Templates With The New Features Of InfoPathUsing InfoPath E-mail FormsInfoPath 2007 Focuses on DevelopersInfoPath Developer PortalCreating complex infopath controls in C#How to do cascading dropdrowns in InfoPath FormsTemplate parts in InfoPath 2007How to make picture buttons in InfoPath 2003/2007
Forms Server 2007
Hosting the InfoPath 2007 Form Editing Environment in a Custom Web FormHosting InfoPath 2007 Forms in WSS v3 / MOSS 2007 PagesCreating Browser-Enabled Forms with InfoPath 2007How to Deploy an InfoPath 2007 Form Containing Managed Code to a Browser-Enabled WSS v3 LibraryRendering an InfoPath 2007 Form in a Web PartInfoPath 2007, Forms Server, MOSS 2007InfoPath Forms in Office SharePoint Server 2007Plan Forms ServicesInfoPath Forms for WorkflowsEnterprise Solutions: A Developers Cookbook with Practical SolutionsInformation Rights Management - Protecting FormsMOSS and InfoPath 2007 - IT Showcase - Facilitating effective employee reviews at MicrosoftThe anatomy of a UDC fileWhere do UDC files come from?Data connections in Browser FormsInfoPath attachment control and the InfoPathViewer webpartUsing CAML to filter a infopath published boolean field (from a sharepoint list)SPListItem looses Property data type when publishing Infopath form to a sharepoint list (MOSS 2007 beta2TR)
XPATH query tool (Free - pretty handy when doing InfoPath development)XML Notepad 2007
IFP010 - Forms solutions with InfoPath 2007(English description)