If you are interested in keeping on top of MS Access and its road ahead, you might like to read this blog: 

http://blogs.msdn.com/access/

 I was looking for information on Access 2007 service packs, performance improvement, etc., and turned to the semi-official Microsoft Developer blog.  There is a posting from Bill Gates on the impetus to move Access functionality to the web with Sharepoint.  Looks like the authors post every week or so.