Yeah, you can sign-up for some WordPress hosting, then pick up a random theme to bolt onto your site.
But why would you go just about anywhere to find something that’s so vital to your work? This is 2011 after all.
Your website should be stunningly designed.
It should make performing the basics of good SEO very simple.
You shouldn’t have to worry about things like state-of-the-art security, hassles with manual updates, or wondering if the underlying code of the theme you’re using is silently undermining all your work.