This lecture blew my little cataloger mind! I discovered it last week among Mark Lindner's prodigious reading list.
Francis Miksa's audio lecture, The Genius of Library Cataloging and its Possible Future is truly essential listening if you think there's more to cataloging that mindlessly accepting copy and "marking and parking." While the whole lecture is well worth the full 1 1/2 hours, the last 40 minutes or so deal with Dr. Miksa's vision for a cataloging future.
Update: Here's the link to the UIUC GSLiS lecture page. This lecture is from the 2006 archive.