Windows Live Writer
Several of my recent blog posts have been made with a new Microsoft tool. Writer is branded as part of Windows live but it supports a range of blogging plaforms. It is can't do as much as Word 2007 with the blog post template and there are times times when I prefer to use an all purpose tool (like word). There are also times when something simpler and designed for the task seems more elegant. And that's the niche writer fills.
If you keep a blog of your own, check it out