The Manageability Team blog are splitting the blog in to two seperate blogs set to go live 5th Jan.
New links will be: SMS and MOM
Until the 5th of Jan, keep checking their main link, would assume once the blogs go live you'll need to change your RSS info ...
Read the complete post at http://wmug.co.uk/blogs/r0b/archive/2008/12/19/the-manageability-team-blog-evolving-in-to-two-blogs.aspx