I am a little behind on this. Been out of town and have been trying to get caught up. The Windows Live Writer team just release a build 141 with some good updates. Then shortly thereafter released a build 146 to take into account some of the changes made to Blogger Beta. I copied the list of changes below:
The startup performance is listed as having been improved. This is really evident right away. If you are currently using Live Writer, start it up. Then download the latest build and start it up again. Much better startup time! If you are not currently using Live Writer, give it a try.