InfoPath team blog on Data Collection
The InfoPath team has recently posted a blog on the new Access 2007 data collection feature.
http://blogs.msdn.com/infopath/archive/2006/11/15/integrated-innovation-access-data-collection.aspx
For the best overview of how to get started see this UA topic.
http://office.microsoft.com/en-us/access/HA100154271033.aspx