In the InfoPath webcast on Friday January 23, Raghu mentioned an article about Integrating InfoPath and Access.  He said he thought it was in the Access section of the MSDN Library, but it actually lives in the InfoPath Section.   

Microsoft Office InfoPath 2003 supports using a Microsoft Office Access 2003 database as the primary data source for a form, or as a secondary data source for a form or control. This article explains how to use a Microsoft Access database as a data source.