I have had some clients asking about the changes in the way Esri is handling Metadata in ArcGIS 10. If you missed the session at the 2010 User Conference then you will be extra interested in this new series of blog posts related to the topic.
A new approach to Metadata with ArcGIS 10 (part 1)
A new approach to Metadata with ArcGIS 10 (part 2)
Be sure to review the comments and replies as there is additional or updated information contained there.
More to come!