Some months ago, I made the switch from MovableType to WordPress. One of the things this broke was RSS feeds.
You can find a feed for all my entries at:
http://www.edgewiseblog.com/mjh/feed/
Individual category feeds are easiest to find at my main blog page (left column):
http://www.edgewiseblog.com/mjh/
Thanks for reading.
peace,
mjh