bill - 8:53 am on Mar 5, 2010 (gmt 0)
Welcome to WebmasterWorld BillPitts.
If you didn't want to use the blog/CMS idea mentioned above then there are some feed editors out there like FeedEdit (free) that will let you update a valid RSS file manually. Or you could be a real geek and use NotePad and add the code by hand. ;)