You can now use Microsoft Word 2007 to post your blogs on JoeUser.com.
To do it, do the following:
Choose new blog from Word 2007. Then, for the API choose MetaWebBlog and for the Posting URL use this:
https://www.joeuser.com/api/xmlrpc.aspx
Then enter your UserID and PW from JoeUser.com and voila.
And that's it!