You can use it as a blog, or just make pages and make a static type website with it, that allows comments and is easier to do (no need to change the links on every page, and so on).
If you do use it for a "normal" website via the "pages" then be aware at the moment you have to number them manually if you want them in set order. This is okay, if you've just going to have so many or not going to keep changing the order, but could get annoying otherwise. I think this is just a temp' measure, which they will improve with later releases.
Wordpress is probably the best downlodable blogging solution out there.