1. What happened to the age-old suggestion of you.WP.COM? If what Matt says is really true (http://en.blog.wordpress.com/2009/04/24/wpcom/), then we should simply have shorter domain names too!
2. Have different types of pages, modelled on other blogging sites? One great example is Tumblr's "Ask me anything", an excellent question form great for personal and even corporates sites.
3. Have a Chatbox widget! :)
The blog I need help with is yongsheng.wordpress.com.