In case you haven't heard, Microsoft Office SharePoint Designer 2007 is now available as a FREE download.  This is an exciting development, because it means that a lot more developers will now be able to customize their SharePoint deployments to include all the functionality they need.

Fellow SharePoint MVP Asif Rehmani has written a thorough analysis of this change in direction by Microsoft and it's impact on the SharePoint community, particularly for design professionals.  Check it out.