Excited to read about this. There's a whole new world of static, database free blogs. This would be the answer for using Opera Unite or Github as free blog providers, or my Fastmail system (which I already use for email and for photo albums). Basically, it's possible simply to write text files in any editor, and transform these into instant blog posts.
Here are some links I discovered so far:
can import from WordPress.com
jeykll on fastmail http://tomalison.com/reference/2010/04/03/webdav/
Using github as a free blog provider