I've been using prerelease versions of Windows Live Writer for a long time now and so it was good news to me when I read that they've gone live with their final version.  It's free and super easy to use.  I'm sure I don't use half the features that are provided, but it seems to do everything I want it to do for me.  I'm certain that I wouldn't have written as many blogs as I have (and I know I should write more!) without Live Writer's easy to use features.  Check it out today if you haven't already: