It's intended to compete directly with hosted Wordpress. You can import directly from Wordpress XML, too.

Hmm, that's gonna be tough. I find the Wordpress+GetPrismatic or even Disqus kind of combination quite competitive to get traffic, and in a tech area, as I said, there are lots of great syndicators. I agree that your USP is subtly better though. Are you already profitable?

Also, why did you call it Sett? The metaphor isn't very obvious from your website.

And you should think of a better headline. Here's a good article: http://blog.kissmetrics.com/ultimate-home-page-headline/