You could potentially use http://hubski.com http://hubski.com as a blog, which is built on top of news.arc, and thus, has a similar commenting engine. It allows

You could potentially use http://hubski.com http://hubski.com as a blog, which is built on top of news.arc, and thus, has a similar commenting engine. It allows for richer content, like embedded videos and pictures. But no nice url... A few people submit their blog posts to hubski. Since people don't share feeds, it's not frowned upon.