The Notes Blog theme (not to be mixed up with Notes Blog Core Theme) is not due for another week or so, but some people are testing it right now, in a closed beta. One site running the theme is ProToolerBlog which uses a really simple child theme to edit it further.
Want to know how the new Notes Blog Core looks in action? Check out this image (292 kB PNG) to find out. We’re still on #1 in the 1.0 release schedule by the way.