But they forget to tell you the facts.
None of them work for professional blogers; ok, if you want just to blog for fun, you could probably start with blogger.
If you want to blog for profits and make money online (and within a few months a real living off blogging), then you have to use WP -- this is not an option.
Now, Gurus forget to tell you that there's a BIG difference between wordpress.org and wordpress.com -- do you know what that would be?
The first answer would get a nice gift from me ($250 value):
a "blog review" post on my IM or Blogging blog where I feature/showcase your blog - the only requirement is that your blog is targetted to my blog topic, and you're using WordPress.org.
Let's see what happens