I just registered a domain for this blog. I registered paulstimesink.com from Aplus.net, for only $5.95. The main reason that I wanted to do this is to add search to the blog. plog, doesn't have a search functionality (which I think is pretty bad), so I am going to add a google search, since it can be set up to limit results to a certain domain.
I also have created a mod_rewrite rule to automatically forward traffic from www.westbrooks.org/blog to the new domain.